Yamaha REV-1 Owner's manual
YAMAHA
DIGITAL REVERBERATOR
REV-1
REMOTE CONTROL UNIT
RCR-1
OPERATING MANUAL
ABSTRACT
The REV-1 is a professional digital reverberator with 1 input and 2 outputs.
Various reverber-
ation effects can be added to original sounds by allowing early reflectoins and subsequent re-
verberation to be independently controlled and mixed together.
The REV-1 is a highly refined
system which of fers superb performance and is well suited for use in halls, recording studios,
broadcasting, and for sound reinforcement applications.
FEATURES
A Professional Digital Reverberator with
Excellent Performance
The REV-1 is a digital reverb unit which meets
all requirements for use in halls, recording
studios, and broadcasting stations.
The frequency response is from 20 Hz to 18 kHz,
distortion is below 0.03%, and the dynamic
range is 85 dB in reverb mode.
Independent Control of Early Reflections and
Subsequent Reverberation
YAMAHA’ s proprietary large scale integration
(LSI) chips for signal processing, and a micro
computer, allow subsequent reverberation of
high quality, and up to 40 early reflections
(L, R each) to be independently controlled
and programmed. Also, use of the remote con-
trol unit enables user control over elements
such as sound directly from the source, early
reflections bouncing off surfaces, as well as
subsequent reverberation, in which the reflec-
tions are multiplied, to be perfectly con-
trolled. Thus, the delicate natural acoustic
properties of concert halls can be accurately
simulated.
The following can be controlled with the re-
mote control unit:
- Early Reflections
Any one of eight different early reflection
modes can be selected. Initial delay can be
set up to 600 msec. in steps of 1 msec.
Accurate simulation of the natural acoustic
properties of virtually any environment is
made possible through the free control of
settings for: room size (volume of room), the
number of early reflections, an acoustic
absorption coefficient of walls.
+ Subsequent Reverberations
Any one of eight different subsequent rever-
beration modes can be selected. The delay time
between direct sound and subsequent reverber-
ation can be set up to 600 msec. in steps of
1 msec. Reverberation time can be selected
from 0.1 sec. up to 99.9 sec. at the mid-low
frequency band. Also, reverberation time can
be adjusted differently in each of the four
frequency bands (high, mid-high, mid-low, and
low).
Main unit (ROM - 30, RAM - 60),
Remote control unit (RAM - 9)
99 Memories
The unit makes available 30 pre-set memories.
They include such settings as: “LARGE HALL”,
“HAND CLAP”, “PERCUSSION PLATE”, and “CHORUS”.
In addition, the user can store modifications
of these pre-set programs, or his own program,
in any of the 69 user-programmable memories.
Numeric Data Entry
The user can enter data easily with the ten
numeric buttons on the main unit, a ten-key
numeric pad on the remote control unit, and
the “UP” and “DOWN” keys and buttons.
The data being entered can be monitored on 3-
digit, 7-segment LEDs on the main and remote
control units, as well as a liquid crystal
display (LCD), on the remote control unit.
Input Level with 16 Step LEDs
This assures a precise level setting and a
wide dynamic range. On the front panel of
the main unit, the input can be monitored, as
well as on the remote control unit, with
which both input and output can be monitored.
Specialized Remote Control Unit
Use of the remote control unit enables the
following three elements to be perfectly
controlled: direct sound; early reflections;
and subsequent reverberation. By varying the
settings for these three elements, the natural
acoustic properties of concert halls can be
accurately simulated. In addition, the remote
control unit is equipped with a lighted 64 X
240 dot matrix liquid crystal display (LCD).
Any one of eight different graphical display
modes for such values as reverb waveforms (W/
F) or reverb time (R/T) can be chosen to aid
in the setting of data. Reverb time has two
different displays: Delay 1 and Delay 2: and
there are displays for the low and high pass
filters.
Computer Connector and Other Extension
Terminals
The REV-1 is equipped with a terminal which
enables computer control (RS-232C compatible),
a terminal for an external word clock, and
there is an optional terminal for digital 1/0.
19 Inch Standard Rack Mount
TABLE OF CONTENTS
INTRODUCTION (Please read before use) ------ 4
SPECIFICATIONS тен 5
FRONT PANEL CONTROLS -------------——— 7
REAR PANEL === meee g
APPLICATION += 10
MEMORY LIST === eee 11
REMOTE CONTROL UNIT += 12
BASIC OPERATION
FRONT PANEL OPERATION -----------=--------——- 22
REMOTE CONTROL UNIT OPERATION == 24
REMOTE CONTROL DISPLAYS -+------=-=================- 32
REV-1 UNIT LAYOUT —------=================eeeerere TT 34
RCR-1 DISASSEMBLY ----------===========-===v 34
DIAGNOSTICS PROGRAMS-----------======================"=—"- 35
MAINTENANCE | -=-=тотототтотететтттотееллтолллототтетолототоо 36
KEYS FOR SPECIAL MEMORIES ----------=================—- 37
APPENDIX eee nana TT 39
INTRODUCTION (Please read before use)
Vol tage
U.S.Version ----------- AC110V-—120V
General Version ---- AC220V~240V
Heat Dispersion
In order to avoid heat build up, the unit is equipped with a heat dispersion fan for forced air
cooling. The air current caused by the fan travels from the left to the right, so be sure to
allow enough space on either side for proper circulation (not less than 50 mm).
Hy,
di CT.
i th
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Air flow
Environmental Temperature
Do not expose this unit to excessive heat. Operating temperature range is between 0 and 40°
centigrade (32° and 95° F).
Remote Control Unit Connection
Power to the remote control unit is supplied from the main unit. Do not disconnect the connec-
tor while the power of the main unit is on.
Stay for Circuit Boards During Transportation
Af ter unpacking the unit, remove the stay which is inside the main unit and holds its 4 circuit
boards. This stay prevents the circuit boards from coming out accidentally during transporta-
tion and it must be removed before mounting on the rack or it will not be possible to remove the
circuit boards later.
Removal: Remove the two screws on the front panel, and pull down the front panel towards vou.
Next, remove the four screws holding the top and bottom covers; these covers hold the
stay.
Finally, pull the stay out towards you (see section on “REV-1 UNIT LAYOUT” p.34).
Do not throw the stay out, it can be used to secure the circuit boards when the unit
is transported again.
External Cleaning
Do not clean the unit with such volatile substances as benzine or paint thinner. Remove dirt
and dust with a dry, soft cloth. Internal cleaning should be left to a qualified technician.
SPECIFICATIONS
Ш Sound Output Modes
The REV-1 has three output modes:
a) Direct Sound
b) Early Reflections
c) Reverberation
B Programs
Input Filters
M Low Pass Filter --------------- A, 6,8, 10kHz
O High Pass Filter -------- 50, 100, 200, 400Hz
Early Reflections (E/R)
M Maximum (L and R) ---------------- 40 each
O Initial Delay (Delay 1)
Eee 0 to 600msec
Early Reflection Time ------- 0 to 370msec
E/R Modes (8 types)
@ ROOM O HALL-S @& HALL-M
@ HALL-L (6 RANDOM (® REVERSE
@ PLATE ® SPRING
Room Size (8 steps)
X1/8, X1/4, X1/2, X1, X2, X4, X6,
and X8
E/R Number (8 steps)
1, 2, 4, 8, 16, 24, 32, 40
Liveness (8 steps)
1, 2, 3, 4, 5, 6, 7, 8
dead ----------------- —live
Reverberations (REV)
Initial Delay (Delay 2)
Dm 0 to 600 msec
Reverberation Time ---------- 0.1 to 99.9 sec
Reverberation Modes (8 Types)
D Super High Density
O High Density/High Initial Diffusion
® High Density/Low Initial Diffusion
@® Medium Density
® Medium Low Density
® Low Density
7 Super Low Density
® Equally Spaced Diffusion
Reverberation Time can be set independently
in Four Frequency Bands
Low (11 steps, standard-Mid-Low range)
x ().4, x0.6, x0.8, x1.0, x1.2, 1.4,
x1.6, x1.8, x2.0, 2.2, andx2.4
Mid-Low-Standard Reverberation Time
Mid-High (11 steps, standard-Mid-Low range)
x 0.2, x0.3, x0.4, х 0.5, x 0.6, x 0.7,
x0.8, X0.9, X1.0, X1.1, and X1.2
High (11 steps, standard-Mid-Low range)
-5, -4, -3, -2, -1, 0, +1, +2, +3, +4,
and +5
Crossover Frequencies
Low/Mid-Low —~----------------- 125, 250, 500Hz
Mid-Low/Mid-High -------------------- 1, à, 4 kHz
E Main Unit
(input)
Number of Input Channels ------------------- 1
Circuit ----------- Electronically Balanced
Input Impedance -- greater than or equal
to 10 kohms
Nominal input level -------------------- +4dB
(Headroom --------------------==----=-——- 14dB)
Maximum Input Level ------------------- +20dB
Connector ---------------------------- XLR-3-31
(Output)
Number of Output Channels
ee 2 (L and R)
Circuit ---------- Electronically Balanced
Output Impedance -------- 600 ohms or less
Connector -------->----------------- XLR- 3-32
Nominal output level -------------------- +4dB
Maximum output level ------------------- +18dB
Frequency Response
ST 20Hz to 18kHz +/-1dB
Harmonic Distortion (in Delay Mode)
=----------- less than or equal to 0.03%
@1kHz during maximum output
Dynamic Range
1.Reverberation Mode -------------------- 85dB
2.Echo Mode --------------------------------- 85dB
3.Delay Mode ---------------——-----—————— 90dB
Sampling Frequency -------------------- 44. 1kHz
Number of Quantization Bits -------------- 16
Memory
ROM (1-30) ---------——————— 30 sets
RAM (31-90) ---------------=—=——————————— 60 sets
The memory (RAM) is backed up after
cutting power with Ni-Cd batteries.
Environmental Temperature
cnn nano 0 to 40% (82° to 95° F)
Power Requirements
U.S. Version ----------------———- ACI1OV—120V
General Version --------------- AC220V~240V
Power Consumption --------------------------- 1508
Weight ------------------==----————- 10kg (22 1bs.)
Dimensions (WXHXD)x
птттолтототооо 18-7/8” x5-1/4” x 14-5/8”
(480mm X 133mm X 372mm)
* Measurements exclude feet, knobs,
connectors, and other protuberances.
№ Remote Control Unit
Liquid Crystal Display (LCD) Modes
W/F = Wave Form
F/C = Filter and Crossover
R/T = Reverberation Time
RATIO = Reverberation Time Ratio
E/R = Early Reflection Mode
REV = Reverb Mode
P/S = Preset Titles
M = Memory Titles
Memory
RAM (91-99) --------=========—===e=—- 9 sets
Environmental Temperature
PRE 0 to 40°C (32° to 95° F)
Power Requirements (Supplied Through
Cable From Main Unit) -------- DC+/-12V
Power Consumption ------------------------ 15W
Weight -------------------------- 1.8kg (4 1bs.)
Dimensions (WXHXD)x*
Ai 7-3/8” x1-3/4” x 11-3/8”
(186mm x 45mm X 289mm)
Remote Control Cable Length
Doom 10m (33 ft.)
x Measurements exclude feet, knobs,
connectors, and other protuberances.
* All specifications subject to change
without notice.
FRONT PANEL CONTROLS
(D Power Switch
@ Monitor Volume Level Knob
This knob adjusts the level of the signal fed
to the headphone amp.
® Headphone Jack
Stereo headphone jack for monitoring, for use
with standard stereo headphones with an imped-
ance of 8 ohms or more.
O Power Lamp (red)
® REMOTE Indicator
When this indicator is on, the user can oper-
ate the remote control unit instead of the
controls on the front panel of the main unit.
This indicator is turned on or off with the
“REMOTE” button.
® Function Indicators-R/T, DELAY1, MEMORY
The function which is under selection with
the function buttons in the upper right hand
corner of the panel is indicated with these.
7 Input Level Meter
Input level (from 0 to -60 dB) is divided into
16 levels (LEDs).
Green -60 to -18 dB
Orange -15 to -3 dB
Red clipping level
The lowest level orange LED (-14dB) is the
nominal level.
=]
@® REVERB TIME Display
This 3-digit LED indicator displays the rever-
beration time, at the mid-low frequency band
(around 500 to 1,000 Hz). Reverberation time
can be selected up to 99.9 sec. in steps of
0.1 sec.
O E/R DELAY (initial Delay) Display
This 3-digit LED indicator displays the delay
time between the direct sound and early re-
flections. It can be selected up to 600 ms in
steps of 1 msec. When this delay changes,
delay 2 (the time between direct and subse-
quent reverberations) will also change by the
same amount.
(0 MEMORY (Memory Number) Display
This 2-digit LED indicator displays the number
of any of the 90 memories (ROM or RAM).
Memories 1 to 30 are preset, read only memo-
ries (ROM). The data they contain can be read
and set at will. Memories 31 to 90 are user-
programmable random access memories (RAM), and
therefore can not only be read, but also set
by the operator as desired.
dD Numeric Buttons (incl. 10 digits and
decimal point)
These buttons are used to change the values of
each function (“REVERB TIME, DELAY 1, MEMORY").
The user can enter data while monitoring the
display of the specified function. They can
also be used to clear the value of a specified
function on display, or modify the value or
when incorrect data must be corrected (see @
“ENTER Button”).
0? CLEAR Button
Used to clear the value of a specified func-
tion on display. Used when data must be modi-
fied or to correct mistaken data.
(3 UP and DOWN Buttons
Used to increase or decrease the value of a
specified function. They are convenient in
setting the level to an optimum while monitor-
ing.
@ ENTER Button
Press this key to enter data from the numeric
buttons. Data will not be entered if this
button is not pressed before the function is
changed with a function button.
45 FUNCTION Buttons
R/T (Reverb Time) Function Button
Press this button, and the "R/T” function
indicator to the left of the input level meter
will light. Reverberation time can now be
changed. Monitoring the change of the “REVERB
TIME” display to the right of the input level
meter, the reverberation time value can be
changed with either the ten numeric buttons,
or the “UP” and “DOWN” buttons.
DELAY ] (E/R Delay 1) Function Button
Press this button, and the DELAY 1” function
indicator to the left of the input level meter
will light. Early reflection delay data can
now be input or altered. Monitoring the
change of the “DELAY 1” display to the right
of the input level meter, the Delay 1 time
value can be changed with either the ten
numeric buttons, or the “UP” and “DOWN”
buttons. Do not forget to press the “ENTER”
button last of all if you wish to enter a new
delay time.
“Delay 2” data can be displayed on the “DELAY
1” display by recalling the “DELAY” of memory
number 19. To do this, first press the “DELAY
1” function button, and then numeric button
“2”, and press the “DELAY 1” button again.
— changed.
Memory Function Button
Press this button, and the “MEMORY” function
indicator to the left of the input level meter
will light. The memory number can now be
Monitoring the change of the “MEMORY”
display to the right of the input level meter,
the memory number can be changed with either
the ten numeric buttons. Press the “STORE”
button to write in the memory, or the “RECALL”
button to read data from the memory,
08 Memory Buttons
STORE (Write) Button
Used to write data into a memory. Press the
“MEMORY” function button, specify the memory
to be written in with the ten numeric buttons
(RAM memories are numbers 31 to 90), and then
press this button.
RECALL (Read) Button
Used to read data from a memory. Press the
“MEMORY” function button, specify the memory
to be recalled in with the ten numeric buttons
(both ROM and RAM memories, numbers 1 to 90,
can be used), and then press this button to
read the data.
07 REMOTE Button
Press this button to change to remote control
operation. When it is pressed, the “REMOTE”
display to the left of the input level meter
will light up, meaning that operation is now
possible with the remote control unit.
Press it again, and the display will turn off,
signaling that operation has returned to the
front panel controls.
(9 INPUT LEVEL Control
At 0, input gain will become 1 (nominal), and
the output level will be the nominal output
level. At this time, with a standard of +4dB,
the head room margin becomes +14 dB.
REAR PANEL
®
@ YAMAHA REV-1
PROFESSIONAL DIGITAL REVERBERATOR
NIPPON GAKKI CO. LTD
220-240V_ 150W 50/60hz >.
MADE IN JAPAN
Fr
CAUTION 10 REDUCE THE RISK OF
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D INPUT (Input XLR Connector)
The balanced XLR (pin 1-ground: pin 2-hot;
pin 3-cold) level is +4dB nominal, and head-
room is +14dB, with a maximum input level of
+20dB, input impedance not less than 10 kohms.
@ REM/COMP (Remote Control/Computer Switch)
Switch to “REM” to use the remote control unit,
and to “COMP” to use a computer via the RS-
2320 cable.
® REMOTE (Remote Control Connector)
This connector is exclusively for the remote
control unit. se
[E A
remote control cable
CC ww /
2
After connecting, Ze
lock with this part. PUE | 17
(D-sub 9 pin)
@ TO COMPUTER (Connector for Computer
Interface)
D-sub 25 Pin connector, RS-232C compatible.
@FUSE
U.S. Version 34 250V
General Version T1.254 250V
® OUTPUT L and R (Output XLR Connectors)
The balanced XLR (pin 1-ground; pin 2-hot;
pin 3-cold), level is +4dB nominal, with a
maximum output level of +18dB, output imped-
ance- less than or equal to 600 ohms.
9
® © 0 0D
@ INT/EXT (Word Clock Switch)
Used to switch between the internal word clock
(44.1 kHz) or an external word clock (through
BNC input). The internal word clock is
assumed automatically if no sampling clock is
fed to the BNC input; even if this switch is
on “EXT” (external).
O A IN/D IN (Analog/Digital Input
Selection Switch)
At “A IN”, analog input is accepted, and at “D
IN”, digital input is accepted.
@ EXT. W. CLK (External Word Clock Connector)
This terminal can be connected with the word
clocks (sampling clocks) of function genera-
tors and other digital equipment at the TIL
level. The range of the frequency is from 30
kHz to 46.75 kHz (alializing distortion
results when analog input is selected rather
than digital input with a sampling frequency
of under 40 kHz). In this case, data such as
R/T, Delay 1, is automatically adjusted to the
micro-computer.
@ DIGITAL 1/0 (Connector for Digital
Input/Output)
This is used when an optional unit circuit
board is mounted for digital input and output.
(D-sub 37 Pin)
@ AC. (AC Inlet)
AC 110V ~120V
U.S. Version
General Version AC 220V ~240V
Note : Optional features and computer inter-
faces are now being planned for future sale.
(General Version)
munici
APPLICATION
ANALOG INPUT
FROM MIXER
INT/EXT
REM/COMP
REMOTE CONTROL
TERMINAL (RCR-1 CABLE)
COMPUTER CONTROL
TERMINAL (RS-232C CABLE)
G YAMAHA REV-1
PROFESSIONAL DIGITAL REVERBERATOR
NIPPON GAKK! CO. |
MADE IN JAPAN
г 7
L -
220-2400 150W 50/80Hz
TO COMPUTER CAUTION т TO REDUCE THE RISK or
Y WITH SAME T
ELLI) o! EE se
Ne Een SLE DE
FUSE
a T1.25A
ATTENTION AFIN DE REDURE LE Ai
ELÉCTRIQUE NE PAS ENLEVE
ANALOG OUTPUT
TO MIXER INPUT
MICROPHONE, ETC.
MIXER
CONNECTORS AND OTHER
INTERFASE CIRCUIT
BOARDS ARE OPTIONAL
A IN/D IN
EXTERNAL WORD CLOCK
INPUT TERMINAL
FOR THE SAMPLING
CLOCKS OF FUNCTION
GENERATORS AND OTHER
DIGITAL EQUIPMENT,
CHANNEL
DIVIDER
HOST COMPUTER
RS-232C
10
MEMORY LIST
MEMORY (ROM)
USER'S MEMORY (RAM)
No. | MEMORY TITLES No. No. a
1 |LARGE HALL 31 6 1
2 |MIDDLE HALL 3 2 62
3 | SMALL HALL 33 6 3
4 VOCAL PLATE A 34 6 4
5 | VOCAL PLATE B 395 65
6 | PERCUSSION PLATE A 36 6 6
1 (PERCUSSION PLATE В 37 6 7
8 | SPRING 38 6 8
9 |STRINGS 39 69
10 | ELECTRIC BASS 40 70
11 | PIANO 4 1 71
12] ORGAN 42 72
1 3 | BRASS 4 3 73
14 | GUITAR 4 4 14
15 | HANDCLAP 45 75
16 | SNARE 46 76
17 |KICK 47 77
18 | ECHO ROOM 4 8 78
19 | DELAY 49 79
20 | STEREO ECHO 50 80
21|STEREO FLANGE 5 1 81
22 | STEREO PHASING 92 82
2 3 | TREMOLO 53 8 3
24 | CHORUS A 94 84
25 | CHORUS В 55 85
26 | CONSTANT DENSITY A 56 86
2T| CONSTANT DENSITY B 51 8 1
28 | CONSTANT DENSITY C 98 88
29|LIVE REFERENCE 59 89
30|L=E/R, R=REV 60 90
MEMORY (ROM) : Read Only Memory
USER'S MEMORY (RAM) : Random Access Memory
11
REMOTE CONTROL UNIT
uE SECTION V
(Page 21)
YAMAHA FOR DIGITAL REVERBERATOR REV-1
SECTION VI
(Page 21)
DISPLAY E/R MODE REV MODE PRESET
W/F F/C R/T RATIO 1 2 3 4 1 2 3 4 1 2 3 4
E/R REV PS M 5 6 7 8 5 6 7 8 5 6 7 8
PANEL
L R
| LB =] CIE] P_ EDIT AUTO
== "(TN AN
| UN -6 EE | ; 4 -3. „3
= 14- -6 -4* +4
a ve” `в > > MEMORY
— ROOM SIZE HIGH
= |S == ELO,
8 % 0] 4K 0507 gs >
a 1 , 24 05 + + 09
y ’ 04, „о
2 "39 2K 3» el
4 02 12
E/R NUMBER MID-HI
[>=] [==]
> 800 q {an 15
(Dale N
2 7 [©] e 22
LIVENESS LOW
REY. TIME (R/T) E/R DELAY 1 (D1) REV. DELAY 2 (D2)
| &8&.||[ 888 | 886 =]
“LOW
AUTO [oe]
[o]
ON
A [o] 7
[5] + [o] +
ON -60N -
o
- 0 dB -
DIRECT EARLY REFLECTION
RI
-D O de
REVERBERATION
SECTION SECTION I
(Page 13) (Page 17)
SECTION I SECTION N
(Page 15) (Page 19)
12
(SECTION |
)
DISPLAY
W/F_F/C R/T RATIO |
==
m
E/R REV
|]
LEVEL
METER
—e IN
—e OUT
[|
E -24 EM
Ш —27 UN
ER -30 NE
uE -36 Em
EN 42 EN
EM —48 mM“
un -54 E
SE —c0_ E
HPF
O ||400 10K
Oll200 8k
Ollwo ek
O 1150 4K
O
O
O
O
REV. TIME (R/T)
Cr di Ci
Ll, Ll, Ll, sec
MID-LOW
ON
DIRECT
LPF NY
13
MDISPLAY MODE (Display mode selection) Keys
Used to select one of eight display modes (see:
“Remote Control Displays” on page 32).
LEVEL METER
This meter will show either the input or the
output level (from ( to -60 dB) divided into
16 divisions of LEDs (see next two paragraph
on IN/OUT indicator and key). The clipping
level is shown by the red LEDs. Nominal input
level is -14dB, and nominal output level is
-14dB on the meter.
@IN and OUT Indicators
These two LEDs light to show what the level
meter is indicating, either input (“IN”) or
output (“OUT”).
@IN/OUT (Level Meter Switching) Key
Press this key to change the level meter to
indicate either input, or output.
®HPF (High Pass Filter) and LPF (Low Pass
filter) Keys
Used to select the cut-off frequencies for the
high pass filter and the low pass filter.
These filters are located after the A/D conver-
ter on the circuit. Press these keys only
after having pressed the “EDIT” key located in
the upper right hand corner of the unit.
The LEDs in the center of the keys will light
when the key is pressed, to show that its fre-
quency is under selection. Press the key
again, or another of the keys in the same row,
and the LED will go out. The filters current-
ly under selection can also be displayed on
the LCD with the crossover frequency display
mode (the “F/C” key, for this display mode, is
in the first row of keys in the display group
of keys).
®REV. TIME (R/T) Display
This is a 3-digit LED indicator. It displays
reverberaion time at the mid-low frequency
band (around 500 Hz to 1 kHz). It can be
selected up to 99.9 sec. in steps of 0.1 sec.
@The DIRECT ON Key
This key is in the “DIRECT” section of the
panel. It is used to select or cut off the
input of direct sound. Press this key only
af ter having pressed the “EDIT” key located
in the upper right hand corner of the unit.
When the key is pressed, and the LED lights,
direct sound input is allowed; if it turns
off, direct sound input is cut off.
@The DIRECT Sound Level Indicator
This is the set of three LEDs in the “DERECT”
section of the panel. One of these three
LEDs will light when a memory is called up:
“D>” When this LED lights, the direct sound
level of the memory which has been called up
is higher than the level indicated by the
current position of the control.
“CJ” When this LED lights, the direct sound
level of the memory which has been called up
1s the same as the level indicated by the
current position of the control.
“<]” When this LED lights, the direct sound
level of the memory which has been called up
is lower than the level indicated by the
current position of the control,
@The DIRECT Sound Level Control
Used to control the mixing level of direct
sound. The direct sound input is mixed with
early reflection and subsequent reverberation
input, and the mixed output is controlled by
the “MASTER” level control. Set the direct
sound level with the following procedure:
1.Press the “EDIT” key in the upper right
hand corner of the unit.
2.Rotate the “DIRECT” sound level control
until the LED in the center of the level
indicator lights. Now the direct sound
level is ready to be modified,
14
(SECTION I)
E/R MODE
2 3
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5
[o
BRE
©
n°
o
E/R NUMBER
CIR |
i
4 5
6
— со
` ‘
‘ — `
м
9
AUTO 2-
® O 9
LIVENESS
E/R DELAY 1 (D1)
ZN E Cl
LI, LILA, ms
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EARLY REFLECTION
15
©
@ E/R MODE (Early Reflection Mode
Select) keys
Used to select one of the eight different
basic early reflection modes after pressing
the “EDIT” key. Selection of one of these
modes is the first step made after recalling
a memory, in order to make early reflection
settings. The eight modes are as follows:
ROOM
HALL-S (small)
HALL-M (medium)
HALL-L (large)
RANDOM
REVERSE
PLATE
SPRING
HOMO II NM
CO — CDOT HH CO DO HH
Echo time patterns for each mode are shown on
page 39. The relationship between “ROOM
SIZE” settings (1/8 to 8) and the actual
volume of the “ROOM” (m) for each mode is
shown on page 40.
© ROOM SIZE Indicator
This is the set of three LEDs above the “ROOM
SIZE” selector. It is used to indicate if
the room size value read from a memory is
larger than, smaller than, or equal to the
current setting of the “ROOM SIZE” selector
underneath it.
(8) ROOM SIZE Selector
Used to select one of the eight preset room
size values (1/8 to 8). When the room size
setting is changed, early reflections also
change. When operating this selector, first
press the “EDIT” key in the upper right hand
corner of the unit, and then rotate the selec-
tor in the direction indicated by the room
size indicator, until the LED in the center
of the indicator lights. Then, the setting
can be changed if desired.
@ E/R NUMBER Indicator
This is the set of three LEDs above the “E/R
NUMBER” selector. lt is used to indicate if
the number of early reflections read from a
memory is larger than, smaller than, or equal
to the current setting of the “E/R NUMBER"
selector underneath it.
® E/R NUMBER (Early Reflection Selector)
This selector has eight settings in a range
from 1 to 40.
To change the E/R number, first press the
“EDIT” key in the upper right hand corner of
the panel, and then adjust the E/R selector
until the LED in the center of the E/R indi-
cator above the selector lights. Then, the
setting can be changed if desired.
® LIVENESS Indicator
This is the set of three LEDs above the
“LIVENESS ” selector. It is used to indicate
if the liveness value read from a memory is
larger than, smaller than, or equal to the
current setting of the “LIVENESS” selector
underneath it.
(7) LIVENESS Selector
Sound absorption (attenuation) can be adjust-
ed within a range of eight settings (1 to 8).
The closer to “8”, the more “live” the sound
output will be, and the closer to “1”, the
more “dead” the sound output will be.
To change the liveness setting, first press
the “EDIT” key in the upper right hand corner
of the panel, and then adjust the control
until the LED in the center of the liveness
indicator above lights. Then, the liveness
value can be changed if desired.
® The Liveness AUTO key
To use this key, first press the “P” key in
the upper right hand corner of the panel.
Then press the key, and the LED in the center
will light. At this time, the liveness value
becomes automatically controlled, and is set
to a standard value which is calculated ac-
cording to the reverberation time.
O E/R DELAY (DI) Display
This is a 3-digit LED indicator. It displays
the difference in time between the direct
sound and the arrival of the first early
reflection. The early reflection delay time
can be set from 0 to 600 msec in steps of 1
msec.
(0 E/R Delay AUTO Key
When this key is lit, the early reflection
delay time will be controlled automatically
and will be set to a standard value which is
calculated according to the E/R mode and the
“ROOM SIZE”. To operate, first press the “P”
key in the upper right hand corner of the
panel, then press this key.
(D E/R Level AUTO Key
When this key is lit, the early refrection
level is controlled automatically, and set to
the maximum level. Press the “P” key in the
upper right hand corner of the panel before
using this key.
(9 EARLY REFLECTION ON Key
Press the “EDIT” key in the upper right hand
corner of the panel before using this key.
When lit, early reflections are sent to the
output; when pressed again, the LED goes out,
and early reflections are removed from the
output,
{49 E/R Level Indicator
This is the set of three LEDs above the
“EARLY REFLECTION” selector. It is used to
indicate if the E/R value read from a memory
is larger than, smaller than, or equal to the
current setting of the “EARLY REFLECTION”
selector underneath it.
@ EARLY REFLECTION Level Control
Press the “EDIT” key in the upper right hand
corner of the panel before using this level
control. Then adjust it until the LED in the
center of the indicator above is lit. After
that, 1t can be adjusted. It controls the
output level of the early reflections which
are then mixed with the “DIRECT” sound and
“REVERBERATION® outputs; the result of which
is controlled by the “MASTER” level control in
the lower right hand corner of the panel.
16
(SECTION I)
REV. MODE
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REVERBERATION
® REV.MODE (Reverberation Mode Setting) keys
One of these keys can be set as standard for
reverberation output:
1 - SHD (Super High Density)
2 - HD/HID (High Desity/High Initial
Diffusion )
3 - HB/LID (High Density/ Low Initial
Diffusion )
4 - MD (Medium Density)
5 - MLD (Medium LOW Density)
6 - LD (Low Density)
7 - SLD (Super Low Density )
8 - ESD (Equally Spaced Diffusion)
Press the “EDIT” key in the upper right hand
corner of the panel before using these keys.
Press the “REV” key of the “DISPLAY” group of
keys in the upper left hand corner of the
panel, and the LCD will show the mode under
selection.
@ HIGH Indicator
This is the set of three LEDs above the
“HIGH” selector. It is used to indicate if
the high range reverberation time value read
from a memory is larger than, smaller than, or
equal to the current setting of the “HIGH”
selector underneath it.
© HIGH (High Range Reverberation Time)
Selector
Press the “EDIT” key in the upper right hand
corner of the panel before using this selec-
tor. Then adjust it until the LED in the
center of the indicator above is lit.
After that, it can be adjusted. Settings can
be made in a range of 11 settings from -5 to
+5. The high range reverberation time (later
reverberation time) settings are in reference
to those of the mid-low range.
@ MID-HI Indicator
This is the set of three LEDs above the “MID-
HI” selector. It is used to indicate if the
mid-high range reverberation time value read
from a memory is larger than, smaller than, or
equal to the current setting of the MID-HI”
selector underneath it.
OS MID-HI (Mid-High Range Reverberation Time)
Selector
Press the “EDIT” key in the upper right hand
corner of the panel before using this selector.
Then adjust it until the LED in the center of
the indicator above is lit. After that, it can
be adjusted. Settings can be made in a range
of 11 settings from 0.2 to 1.2. The mid-high
range reverberation time (later reverberation
time) settings are in reference to those of the
mid-low range (which becomes 1.0).
O LOW Indicator
This is the set of three LEDs above the “LOW”
selector. lt is used to indicate if the low
range reverberation time value read from a
memory is larger than, smaller than, or equal
to the current setting of the “LOW” selector
underneath it.
@ LOW (Low Range Reveberation Time ) Selector
Press the “EDIT” key in the upper right hand
corner of the panel before using this selector.
Then adjust it until the LED in the center of
the indicator above is lit. After that, it can
be used. Settings can be made in a range of 11
settings from 0.4 to 2.4. The low range rever-
beration time (later reverberation time) set-
tings are in reference to those of the mid-low
range (which becomes 1.0).
@® 4K, 2K, and 1K Keys
These three keys are located to the left of the
“MID-HI” selector. Press the “EDIT”key in the
upper right hand corner of the panel before
using them. They are used to set the crossover
frequency between the “MID-HI” range, and the
“MID-LOW” range.
© 500, 250, and 125 Keys
These three keys are located to the left of the
“LOW” selector. Press the “EDIT” key in the
upper right hand corner of the panel before
using them. They are used to set the crossover
frequency between the “MID-LOW” range, and the
“LOW” range.
@ REV. DELAY 2 (D?) Display
This is a 3-digit LED indicator. It displays
the difference in time between the direct
sound and the arrival of the first subsequent
reverberation. The subsequent reverberation
delay time can be set from 0 to 600 msec in
steps of 1 msec.
dD REV. Delay AUTO Key
When this key is lit, the subsequent
reverberation delay time will be controlled
automatically and will be set to a standard
value (Delay 1 +15ms). To operate, first
press the “P” key in the upper right hand
corner of the panel, then press this key.
0? REV. Level AUTO Key
When this key is lit, the subsequent reverber-
ation level is controlled automatically, and
set to a standard. Press the “P” key in the
upper left hand corner of the panel before
using this key.
(3 REVERBERATION ON Key
Press the “EDIT” key in the upper right hand
corner of the panel before using this key,
When lit, subsequent reverberation is on the
output; when pressed again, the LED goes out,
and subseguent reverberation is cut.
(Y REV. Level Indicator
This is the set of three LEDs above the
“REVERBERATION” selector. It is used to indi-
cate if the reverberation value read from a
memory is larger than, smaller than, or equal
to the current setting of the “REVERBERATION”
level control underneath it.
{9 REVERBERATION Level Control
Press the “EDIT” key in the upper right hand
corner of the panel before using this level
control. Then adjust it until the LED in the
center of the indicator above is lit.
After that, it can be used. It controls the
output level of the subsequent reverberation,
which is then mixed with the “DIRECT” sound
and “EARLY REFRECTION” outputs; the sum of
which is controlled by the “MASTER” level
control in the lower right hand corner of the
panel.
18
(SECTION IV)
PRESET
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(D PRESET Keys
These keys are located at the top of the far
right column of the panel. When the unit
leaves the factory, they are pre-set with
data from the ROM, numbers 1 to 8. The user
can change these settings at will, using data
from any one of the 90 memories (ROM and RAM
included). They are used to simplify opera-
tion because the data recorded with these keys
can be read instantly.
x See page 31 item 18.
19
O PANEL Keys
P
This kev is used to set parameters without
utilizing pre-set or memory data. Press this
key, and the LED in the middle will light.
At this time parameters indicated by the cur-
rent settings of keys and controls can now be
set, or modified and set.
EDIT
This key is used to modify preset or memory
data. If the LED of the “P” key is still lit,
this key cannot be used. Press this key, and
the LED in the middle will light. At this
time, parameters are ready to be edited.
AUTO
This key is used to turn all “AUTO” keys
on or off simultaneously. It can be used
only when the LED of the “P” key is lit.
© MEMORY Display
This is a 2-digit LED indicator. It will
display memory numbers from 1 to 99.
Memories from 1 to 30 have parameters already
set. They can be recalled and used.
Adjusted data can be stored in user-
programmable memories 31 to 99.
(4) MEMORY Keys
M (Memory) Key
This key is used to recall or store data in a
memory. Press this key, and whether or not
the “MEMORY "display is lit, the current mem-
ory number will be shown on the “MEMORY” dis-
play.
STR (Store) Key
This key is used to store adjusted data in a
memory. Press the “M” key, specify the mem-
ory number (31 to 90) with the ten-key
numeric pad, and finally, press this key.
RCL (Recall) Key
This key is used to recall data in a memory.
Press the “M” key, specify the memory number
(1 to 90) with the ten-key numeric pad, and
finally, press this key.
® FUNCTION Keys
R/T (Reverb Time) Key
Press the EDIT key before using this key.
Press this key, and the LED in the middle
will light. Reverberation time can now be
changed. Monitoring the change on the "REV.
TIME” display in the far left column, above
the “DIRECT” sound level control, the rever-
beration time value can be changed with
either the ten numeric keys, or the “UP” and
“DOWN” keys. Do not forget to press the
“ENTER” key last of all for input with the
numeric keys.
01 (Delay 1) Key
Press the EDIT key before using this key.
Press this key, and the LED in the middle of
the key will light. Early reflection delay
data can now be entered or altered.
Monitoring the change on the “E/R DELAY 1
(D1)” display in the second to the far left
column, above the “EARLY REFLECTION” level
control, the DELAY 1 value can be changed with
either the ten numeric keys, or the “UP” and
“DOWN “keys. Do not forget to press the
“ENTER” key last of all for input with the
numeric keys. Pressing this key and the “D2”
key at the same time will enable you to modi-
fy the DELAY 1 and DELAY 2 data with the same
value simultaneously (see number 15 of the
“Front Panel Controls” section).
D2 (Delay 2) Key
Press the EDIT” key before using this key.
Press this key, and the LED in the middle of
the key will light, Subsequent reverberation
delay data can now be entered or altered.
Monitoring the change on the “REV. DELAY 2
(D2)” display in the second to the far right
column, above the “REVERBERATION” level con-
trol, the DELAY 2 value can be changed with
either the ten numeric keys, or the “UP” and
“DOWN” keys. Do not forget to press the
ENTER” key last of all for input with the nu-
meric keys.
M (Memory) Key ;
Press the EDIT” key before using this key.
Press this key, and the LED in the middle of
the key will light. The memory number can
now be changed. Monitoring the change of the
“MEMORY” display above, the memory number can
be changed with the ten numeric keys.
Press the “STR (store)” key to write in the
memory, or the “RCL (recall)” key to read data
from the memory.
© Ten-Key Numeric Pad (incl. 10 digits
and decimal point)
These keys are used to change the values of
each function (E/R DELAY 1, REV DELAY 2,
MEMORY”). The user can enter data while mon-
itoring the display of the specified function.
@ CLEAR Key
Used to clear the value of a specified func-
tion on display. Used when data must be mod-
ified or to correct incorrect data.
O UP and DOWN Keys
Used to increase or decrease the value of a
specified function (except for memory numbers).
They are convenient in setting the level to an
optimum while monitoring.
O) ENT (Enter) Key
Press this key to enter data from the numeric
keys. Data will not be entered if this key
is not pressed before the function is changed
with a function key.
d® MASTER ON Key
Press the “EDIT” key in the upper right hand
corner of the panel before using this key.
When lit, the mixed signal will be on the
output; when pressed again, the LED goes out,
and the mixed signal will be cut from the
outputs.
@> MASTER Level Indicator
This is the set of three LEDs above the
“MASTER” selector. It is used to indicate if
the mixed signal read from a memory is larger
than, smaller than, or equal to the current
setting of the “MASTER” level control under-
neath it.
(9 MASTER Level Control
Press the “EDIT” key in the upper right hand
corner of the panel before using this level
control. Then adjust it until the LED in the
center of the indicator above is lit.
After that, it can be used. It controls the
output level of the mixed signal, which con-
tains the “DIRECT” sound, “EARLY REFLECTION”,
and “REVERBERATION” outputs.
20
(SECTION V)
Remote Control Cable Connector
See rear panel operation instructions,
number 3.
(SECTION VI)
Remote Control Unit LCD (Display) Panel
This is an 64 Xx 240 dot matrix LCD, with EL
(electroluminescent) panel lighting.
Characters and figures are displayed for the
current data settings.
21
BASIC OPERATION
Although the operation procedure required is variable, depending on the type of reverberation
desired, basic operation will be described in the following.
BEFORE SETTING :
D Are all the 1/0 and power cord connections properly made 7?
@ Is the REM/COM switch set correctly?
© Is the remote control unit or computer connector properly connected?
@ Is the INT/EXT switch set correctly (use BNC connectors for external clock input
selection, 30 to 46.75 kHz, TTL level) ?
O Is the A IN/D IN switch set correctly?
O Is the headphone set connected properly?
FRONT PANEL
YAMAHA FUNCTION
POWER PROFESSIONAL DIGITAL REYERBERATOR REY-1 7 B 9 R/T DELAY + MEMORY
J REVERB TIME CI ne CC IC
MEMORY
Chi E I | 4 5 6 STORE RECALL REMOTE
i Г —
LLL sec LIC E JC
MONITOR 1 2 3
LEVEL ER DELAY
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© e] Ci CCE) INPUT LEVEL
The following two operations are possible with front panel operation :
A. Setting the parameters read from a memory without modifving them (see operations 1 to 4
in the explanation below).
B. Setting the parameters read from a memory and modifying those parameters resulting in a
new reverberation time. When initial delay (DELAY 1) is changed, the delay time between
the direct sound and the subsequent reverberation (DELAY 2) is also changed accordingly.
The modified setting of parameters can be stored in user-programmable memories 31 to 90
(see operations 1 to 6 in the explanation below).
1.Power On
Turn on the power. All LED indicators on the front panel will light up for a few seconds
before the data at the last power down is displayed with them.
2.Remote Indicator
When the remote indicator is on, press the “REMOTE” to turn the remote indicator off, and
to enable front panel operation to be selected.
3.Adjusting Input Level
Adjust the input level using the send level control in the console, and the input level
control of the main unit (REV-1).
22
4.Recalling Data in Memories
a.Press the “MEMORY” function button. The “MEMORY” indicator will light up.
b.Enter the memory number that you wish to recall with the ten numeric buttons.
The entered memory number will blink on the “MEMORY” display (see the “Memory List”
on page 11 for titles in the memory).
c.Press the “RECALL” memory button. The indicated memory number will stop blinking,
and the memory data will be set.*
* This operation calls up the reverberation sound stored in the specified memory.
Repeat procedures b. and c. to recall another memory. Follow steps 5 and 6 to modify
the data read from a memory.
5.Adjusting the Reverberation Time (R/T)
The reverberation time is variable up to 99.9 sec. in steps of 0.1 sec.
a.Press the “R/T” function button. The “R/T” indicator located just above the ten key
numerical pad will light.
b.Enter the reverberation time that you wish to set with the ten numeric buttons.
The entered value will blink on the “REVERB TIME” display.
c.Press the “ENTER” button. The “REVERB TIME” display will stop blinking, and the
entered data will be set, *
* Follow step 6 for adjusting “DELAY 1” and step 7 for storing the current data
setting
6.Adjusting the Initial Delay (DELAY 1)
When the reverberation sound has been read from a memory, DELAY 1 (delay between the
direct and early reflections) and DELAY 2 (delay between the direct and subsequent
reverberation) are automatically set. Only DELAY 1 can be seen on the LED display.
Changing (D1) on the front panel will change REV (D2) by the same amount.
Therefore, the overall reverberation characteristics, including the relationship
between the early reflections and the subsequent reverberation, remain unaffected.
DELAY 1 is variable up to 600 msec. in steps of 1 msec.
a.Press the “DELAY 1” function button. The “DELAY 1” indicator will light up.
b.Enter the value for “DELAY 1” with the ten numeric buttons. The entered value will
blink on the “DELAY 1” display. DELAY 1 can also be fine-adjusted with the “UP” and
“DOWN” buttons. Use of the “UP” and “DOWN” buttons will eliminate the necessity of
the following step (C.).
c.Press the “ENTER” button. The “DELAY 1” display will stop blinking, and the entered
data will be set.*
* Follow step 7 for storing the current data setting in a memory.
7.Memories
Adjusted data can be stored in user-programmable memories 31 to 99. Use the “MEMORY
List” on page 11 to keep titles for programs in memories 31 to 99.
a.Press the “MEMORY” function button. The “MEMORY” indicator will light up.
b.Enter the memory number with the ten numeric buttons, The entered memory number will
blink on the “MEMORY” display.
c.Press the “STORE” memory button. The memory display will stop blinking, and the cur-
rent data will be stored in the specified memory.
23
Read this section carefully, and refer to the panel illustration on page 12.
The following three operations can be performed with the remote control unit:
A. Selection of one of the preset memories with the 8 “PRESET” keys (see steps 1 to 4); and
reading and modifying the parameters set in one of the 8 preset memories (see steps 1 to
7.
B. Recall from one of the 30 memories of the ROM, using the “M” memory key, the “M” function
key, and the ten-key numeric pad (see steps 1 to 4); or recall and the modification of
the parameters recalled (see steps 1 to 7).
C. Using the “P” (panel) key to set desired parameters without utilizing presets or memories
(see steps ! to 7).
1.Power On
Turn on the power with the power switch on the front panel of the main unit. The LCD
will show the following display for a few seconds before the data at the last power
down will be displayed.
YAMAHA PROFESSIONAL
CIGITAL RENEREERATOR
FEU-1
This, however, is only when the “REMOTE” indicator of the main unit is on. If it is
not, see the next step.
2.Remote Selection
Press the “REMOTE” button to select remote control operation. The “REMOTE” indicator
on the front panel will light up, and the data at the last power down will be displayed
on the LCD of the remote control unit.
3.Adjusting the Input Level
There is no control for the adjustment of the input level on the remote control unit,
However, if “IN” is selected with the “IN/OUT” key of the level meter, the input level
can be monitored.. Adjust the input level with the send level control of your console,
or the input level control of the main unit.
24
4.SETTING METHOD SELECTION
A. Reading Pre-set Key Data
(O First, see SECTION IV for information about the pre-set keys (1 to Я) of the remote
control unit. Press the desired “PRESET” key, to set the data. A display such as
the one below will come on the LCD for 1 or 2 seconds.
This shows that the data displayed
is pre-set. In this case, the data
shown is the same as the data in
memory |.
Example
MEMORY 1
LARGE HALL
Data Title
After 1 or 2 seconds, the display will change to the graphical type (depending on
the selection with the “DISPLAY” keys), and the data will be set.
O To alter the pre-set data, press the “EDIT” key, and see the next operation example.
B. Reading Memory Data
® Press the “M” memory key (see SECTION IV).
@ Use the ten-key numerical pad to specify the number of the desired memory.
The memory number will blink on the LCD (see the “Memory List” on page 11).
® Press the “RECALL” memory key, and the contents of the memory will be displayed on
the LCB. The contents of the memory will now have been set.
@ To alter the data read from a memory, press the “EDIT” key and see the next operation
example.
C. Creating New Data
@ Press the "P” panel key (see SECTION IV), new data can now be entered at will with
the various controls of the remote control unit. Or:
O Press the “AUTO” panel key. The LED in the center of the key will light up, and all
parameters will an “AUTO” key will be set to a standard value. Press it one more
time, and bring the unit out of auto mode; or:
© To break out of auto mode for each parameter separately, and set manually, press each
key separately. When pressed, the LED of the key will turn off.
29
5. INPUT FILTER SELECTION
(D Press the “F/C” display key (see SECTION I). The LCD will display the present
cutoff and crossover frequency status.
Example
FILTER & CROSSOUER This disol h that th
Ш Ш |__—— This display shows tha e
Y yes | cutoff is for 8 kHz and above;
ea " the “8K” LPF key has been
| ‚ _ _ ) pressed.
sé 199299 SaelE CE КЛЕН
@ Use one of the “50, 100, 200, ог 400” HPF keys to cut off lower hands. When pressed,
the LED of the key will light up, and the LCD graphical display will change
accordingly. By pressing a lit key, output can be sent through.
® To cut off higher bands, press one of the “4K, 6K, 8K, or 10K” keys. When pressed,
the LED of the key will light up, and the LCD graphical display will change
accordingly. By pressing a lit key, output can be sent through,
6. ADJUSTMENT OF REVERBERATION TIME
D Press the “R/T” function key. The LED of the key will light up.
©) Press one of the display keys: “W/F, R/T, RATIO” to specify what display you
want: and the LCD will change graphical display appropriately.
Example (R/T Mode)
ug REL. TIMECSECI
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In this display, R/T has been set at 4 seconds.
© Use the ten-key numerical pad to specify the desired reverberation time. The
specified value will blink on the “REV. TIME” display. At this time, the “UP” and
“DOWN” keys can be used to alter the data. If these keys are used, there is no need
for the next step (4).
@ Press the “ENTER” key. The “REV TIME” display will stop blinking, and the displayed
data will be set, and the LCD will change the graphical display accordingly.
26
7.E/R MODE SELECTION
D Press the “E/R” display key. The LCD will change display.
Example
EARLY REFLECTION MADE
> | -
© Press one of the 8 “E/R MODE” keys (see SECTION II).
The sound of the output will change accordingly (The quality of the sound output is
affected the most by composition of the early reflections). The LCD graphical
display will also change.
8.ROOM SIZE ADJUSTMENT
D Leave the LCD display on “E/R”.
O Use the “ROOM SIZE” selector to select any setting desired. While the early
reflection delay time changes, the level will change according to the attenuation
curve which results from the “LIVENESS” selector setting. However, this unit will
not output early reflection sounds which have a delay time that exceeds 370 msec.
9.E/R NUMBER ADJUSTMENT
@ Leave the LCD display on “E/R”.
@ Use the "E/R NUMBER" selector to select any setting desired. The amount of early
reflections will change accordingly.
10.LIVENESS ADJUSTMENT
D Leave the LCD display on “E/R”.
O Use the “LIVENESS” selector to select any setting desired. The attenuation of the
early reflections, and sound image will change accordingly.
27
11.E/R DELAY ADJUSTMENT
D Press the “W/F” display key. The LCD will change to the “W/F”display, and you will
be able to check the relationship between the early reflections and the composition
of the sound output as a whole.
Direct Sound
Example
а |
48 YT. REVERE WAVEFORM
-46 cm
“eau | | re
En CS >
Early Reflections
——*1 ~—E/R DELAY
@ Press the “D1” function key. *
® Specify the desired early reflection delay time value with the ten-key numerical pad.
This value will blink on the “E/R DELAY” display. At this time, you may use the “UP”
and “DOWN” keys to alter the data. If these keys are used, there is no need for the
next step (4).
@ Press the “ENTER” key. The “E/R DELAY” display will stop blinking, and the displayed
data will be set, and the LCD graphical display of the early reflection waveform will
change accordingly.
* Note that the “D2” key can also be.used. Press both the “D1”and the “D2” keys
together, and without changing the relationship between early reflections and
reverberation, you can change delay movement (this can also be done on the front
panel, see “Adjusting Initial Delay”).
12. REVERBERATION MODE SELECTION
@ Press the “REV” display key. The LCD will change to the “REV” display.
Example: “REV. MODE” Display
nn
[+]
L
| Шин,
i
OPress any one of the 8 “REV. MODE” keys (see SECTION II). The reverberation density
will change accordingly.
28
13. CROSSOVER FREQUENCY SETTING
D Press the “F/C” display key. The LCD will display the graphical display for the
crossover frequencies and the cutoff status.
In this display, the cutoff
points are 500 and 2 kHz, both
those keys are therefore
= at this time.
Example /
FILTER E CRÔSSOUER
7 i
F
1
|]
DI
X
\
Sa 199209 S8G1E ZE SELSMECHZ)
O Press one of the “4K, 2K, or 1K” keys (see SECTION II), The LED in the center of the
key will light up, and the mid-low and mid-high band crossover frequencies will be
set. The LCD display will also change accordingly.
© Press one of the “500, 250, or 125” keys (see SECTION II). The LED in the center of
the key will light up, and the low and mid-low band crossover frequencies will be
set. The LCD display will also change accordingly.
14. REVERBERATION TIME ADJUSTMENT BY FREQUENCY BAND
The mid-low band value set in (6) will be the standard value, and in this operation the
reverberation time for the other three bands will be altered.
D Press either the “R/T” or the “RATIO” display key. The LCD will show the
relationship between the different bands of reverberation time.
Diaplay: Ratio Mode
3} REN. TIME RATIO 4 er
2 HM _3E
= LM ser
1} N ЗРОООООНОНННИ L 166
À a Tm
SB 1902594 SGGIE ЗК SEIGECH-
@ Use the “LOW” selector to alter the low reverberation time band. The LCD will change
according to the setting of the selector.
@ Use the “MID-HI” selector to alter the mid-high reverberation time band. The LCD
will change according to the setting of the selector.
@ Use the “HIGH” selector to alter the high reverberation time band. The LCD will
change according to the setting of the selector
29
15. ADJUSTMENT OF REVERBERATION DELAY TIME (DELAY 2)
@ Press the “W/F” display key. The LCD will show the “W/F” display, which shows the
relationship between the reverberation delay time and the entire composition of the
output sound.
Direct Sound
Example
a N
dB _ ~~ REVERE WAVEFORM
280 | ор
- 48 re
Ci Cy \
Reverberation
—— -«—— REV DELAY 2
@ Press the “D2” function key.
@ Use the ten-key numerical pad to specify the reverberation delay time value.
The value will blink on the “REV. DELAY 2” display. At this time, you may use the
“UP” and “DOWN” keys to alter the data. If these keys are used, there is no need for
the next step (4).
O Press the “ENTER” key. The “REV. DELAY 2” display will stop blinking, the displayed
data will be set, and the LCD graphical display of the reverberation delay time value
will change accordingly.
16. MIXING THE DIRECT SOUND, EARLY REFLECTION AND REVERBERATION OUTPUT
D Press the “W/F” display key.
(O Press the “ON” key for the desired output. The LED of the key will light up, and the
sound is output.
O Use the output level controls for each of the three sounds to adjust its output,
When these controls are being used, the display will change accordingly.
17.0UTPUT LEVEL ADJUSTMENT
Press the level meter “IN/OUT” key to light up the “OUT” LED.
able to see the output level on the meter.
@ Press the “ON” key for the “MASTER” level control, this will light up the LED in the
center of the key, and the output of the mixed sounds will be fed to the output
This way, you will be
terminal,
© Use the “MASTER” output level control to adjust the output level.
(Normally MASTER level should be at maximum.)
30
18. WRITING IN THE REMOTE CONTROL MEMORY
RAM memories 31 to 90 are user-programmable.
(D Press the “M” memory key.
@ Use the ten-key numerical pad to specify the number of the memory. This number will
blink on the “MEMORY” display.
® Press the “STR” memory key. The specified data will be written into the memory.
19. CHANGING PRE-SET MEMORY DATA
See SECTION № for information about the “PRESET” group of keys. When the unit leaves
the factory, the “PRESET” keys are already set with the data from ROM memories 1 to 8.
With the following operation, the data for any of these keys can be changed at will.
Note that the data which is set for a “PRESET” key must already have been set in one of
the user programmable memories (see the previous explanation), or in one of the memories
of the ROM.
D Press the “M” memory key.
@ Use the ten-key numerical pad to specify the number of the memory (1 to 90) which
holds the data to be pre-set. This memory number will blink on the “MEMORY” display.
(O Press one of the “PRESET” keys (1 to 8).
@ Press the “STR” memory key. The memory display will stop blinking, and the data
will have been copied into the pre-set key memory.
Note: The “PRESET” keys recall data set in the RAM, they are not a separate memory.
If the RAM memory number data is changed, the “PRESET” key will recall the changed
data. So remember to keep track of what data you wish the “PRESET” key to recall,
and don’t change it by mistake.
20.DATA MOVING (RAM Back up)
The remote control can be used to store 9 different sets of data in a RAM (numbers 91 to
99). This data can then be transferred to another REV-1 unit by disconnecting the remote
control unit, and connecting it to that unit.
D See page 25 for the three steps needed to read data from a memory.
@ Use the ten-key numerical pad to specify the memory to be used to hold the data, (91
to 99). The “MEMORY” display will blink with the specified memory number.
O) Press the “STR” memory key, and the data will be stored in the memory, and the
display will stop blinking.
31
REMOTE CONTROL DISPLAYS
The LCD of the remote control unit (RCR-1)
makes it easy to experiment with the sound
effects that reverberation can produce.
When setting data with the remote control
unit, vou can take advantage of the 8
display modes below:
KEY MEANING
W/ F — WAVE FORM
F/C — FILTER & CROSSOVER
R/T — REV. TIME
RATIO — REV, TIME RATIO
E/R — EARLY REFLECTION MODE
REV — REVERB MODE
P/S — PRESET TITLE
M — MEMORY TITLE
©90609690
(1) W/F
Press this key, and a graphic representa-
tion of the composition of the sound
output is displayed, which allows you to
check the following:
OThe relationship between direct sound,
early reflection, and reverberation
levels.
@The delay time status for early reflec-
tions and reverberation with respect to
the direct sound.
@Early Reflection time (t) and Reverbera-
tion time (t’). When the latter (t’) is
over 5 seconds, there is no change.
@The attenuation of early reflections due
to the “LIVENESS” setting.
Direct Sound
Reverberation
Early Reflections
dB | u ВЕЧЕР MAVEFORHM
(2) F/C
Press this key, and the follwing can be
checked on the LCD:
@ The HPF and LPF frequencies.
O The LOW/MID-LOW, and MID-LOW/MID-HIGH
crossover frequencies.
LOW/MID-LOW crossover Here, over 8 kliz
frequencies is cut
ето 2 SROSSOUER
y, /
/ \ 4 h M
S5 166708 SGGIE/2ZE SELBECHZ]
MID-LOW/MID-HIGH crossover frequencies
(33) R/T
Press this key, and the LCD will display
in graph form, the reverberation time for
all 4 bands: LOW, MID-LOW, MID-HIGH, and
HIGH. In the upper right hand corner, the
central frequency for each band and the
reverberation time value 1s displayed.
HIGH Central Frequency for
HIGH-MID Each Band |
9 REU. TIME SEC]
dB EE H = EN 1. =
- aL pa HM 4k 2.4--
2 LIM Se 4. я —
~4 8 TT et 109 с. 2--
-&0R a, | | - nn Te ~
H i = 3 4 5 Ё у = + 14H
LOW
LOW-MID
* When the reverberation time value is
changed, the standard frequency band is
the MID-LOW band. All other three are
changed in relation to it.
* When the MID-HIGH band is changed, the
HIGH band is also affected.
x When reverberation time is more than 10
seconds, the unit of the axes of the
graph change.
32
(4) RATIO
Press this key, and you will be able to
check the following:
OD Reverberation time ratio of the 4 fre-
duency bands, with the MID-LOW band
as 1.
@ Simplified reverberation time character-
istics.
® Crossover Frequencies (marked 4).
@ The center frequency of each band
(marked IN).
Center Frequency
LOW for Each Band
| MID-LOW wip pygy
+} | ee TIME RATIO ||
>| HM dE
- LH Sau
it a L 18H
SE SHOT AF SF Har THT
Crossover Frequencies HIGH
* When the MID-HIGH band is changed, the
HIGH band is also affected.
(5) E/R
Press this key, and you will be able to
check the following:
(M Early Refrection Composition
+ Delay time due to RGOM SIZE setting
- Number of early reflections due to
E/R NUMBER setting
- Attenuation due to LIVENESS setting
2 Room size change
® E/R mode under selection
E/R mode under selection
is “1”
Room Size
Ea REFLECTION MO ODE
T — pur
Early ne Composition
33
(67 REV
Press this key, and the LCD will show a
graphical display of reverberation sound
density.
REV Mode Under Selection is “5”
|
Ш
REVERB МОРЕ!
ЕМС
Shows Д is Medium Low Density
MLE]
I
(72 P/S
Press this key once, and the LCD will show
the memory numbers and the titles for the
data which has been pre-set in keys 1 to 4.
Press again, and it will show the titles
for keys 5 to 8.
PRESET TITLE 1-4
1 - H 1 - LHESGE HALL
= = M ZE - MICLLE HALL
зо = M 3 - SMALL HALL
4 - M1 4 - VOC.PLATE H
(8) M
Press this key to see the titles for all
the data in the memory (ROM only).
The titles are shown in three groups which
change with each press of the key: 1 to 10;
11 to 20; and 21 to 30.
MEMORY TITLE 1-16
! LARGE HALL = PERC. A
= MIGOLE HALL. 7 FERC. В
3 SMALL HALL. 5 SFEIHG-
4 UUC.FLATE A 7 STEIHGS —.
5 MOC,FLATE.E 19 ELEL, BASS
x For memory numbers 19 to 28, after this
key is pressed, and the titles are shown,
the LCD display will not change even when
the display mode is changed by pressing
another display kev.
UNIT LAYOUT
REV-—1
T
SWITCHING POWER UNI
RP P.C. BOARD
=
ox
<
<
. A
< \
+ i
x LS
as
>
Es
—
=
<
=
/
@ `` y
COOLING FAN
CIRCUIT BOARD STAY
FPL P.C. BOARD
FPS P.C. BOARD
DISASSEMBLY
RCR-1
*X Remote Control Panel Removal
and remove the panel.
Unscrew the 6 screws shown in the diagram,
Remote Control Panel
34
DIAGNOSTICS PROGRAMS
In
pr
the main unit of the REV-1, self-diagnostic
ograms will automatically check the micro-
computer portion, interfaces, and other parts
of
15
1.
2.
3.
35
the control P.C. Board. If any abnormality
detected, the following may occur:
No number will be displayed on the dis-
plays (REVERB TIME, E/R DELAY 1, MEMORY).
“0” will be displayed on all displays.
No entry will be accepted from keys or
buttons. If this happens, run the follow-
ing self-diagnostic programs:
Enter Self-Diagnostic Mode
All self-diagnostic programs will be run
with the front panel controls.
Hold the “R/T” and the “MEMORY” buttons down
at the same time while you turn on the power.
This will put the unit in the self-
diagnostic mode. At this time, the control
P.C. Board will automatically be checked.
The following display means that there is
nothing wrong with the control P.C. Board:
lit off
REVERB TIME
MT
Ll sec
E/R DELAY 1
I | ms
lit all off
If the above is not displayed, something is
wrong with the control P.C. Board.
When the control sheet has been found to be
functioning normally, perform the following
procedures :
(Check the Digital Arithmetic Operations
of the APF and COM P.C. Boards
Press the following buttons in the order
shown:
MEMORY - 1 - 0 - RECALL
If the APF and COM P.C. Boards are function-
ing normally, you will see the following
display:
REVERE TIME
MM
LL] sec
E/R DELAY 1
LM
1
a | MS
MEMORY
IF
EL
If a number from between 10.0 to 34.1 is
displayed on the "REVERB TIME” display,
something 1s wrong with the APF P.C. Board.
If a number from between 40.0 to 54.1 is
displayed, there is something wrong with the
COM P.C. Board.
OCheck the AD/DA Circuit of the
AD/DA P.C. Board
Connect any music program to the input
connector of the rear panel. Press the
following buttons in the order shown:
MEMORY - 2 - 0 - RECALL
The AD/DA portions will be directly
connected, bypassing the digital arithmetic
portion. The peak level meter, etc., will
function as normal.
INPUT OUTPUT
О | A/D D/A О
CIRCUIT CIRCUIT
If no audible problems are detected, such
as distortion, or noise, the AD/DA P.C.
Board is functioning normally.
While this diagnostic program is running,
you will see the following display:
MI
LI | sec
E/R DELAY 1
oi
ГО ПОЙ | те
MEMORY
Ii
Cl
(O Check All Operation
Connect any music program to the input
connector of the rear panel. Press the
following buttons in the order shown:
MEMORY - 3 - 0 - RECALL
The signal will pass through the A/D
circuit, digital arithmetic operation
circuit, and then the D/A circuit in that
order. The result of the digital arith-
metic operation should equal 1, and only
direct sound should be output. !f no
audible problems are detected, such as
distortion, or noise, all P.C. Boards can
be considered to be functioning normally.
While this diagnostic program 1s running,
you will see the following display:
REVERB TIME
MI
LLL] sec
E/R DELAY 1
nr
N, ms
MEMORY
Ari
JL
O Return to Normal Operation Mode
Turn the power switch off. When the power
switch is turned on again, the unit will
have returned to the normal operation mode.
MAINTENANCE
The REV-1/RCR-1 do have parts that will require replacement after extended periods of use.
See your YAMAHA representative for the proper parts and maintenance advice.
RAM Back Up Batteries
The REV-1/RCR-1 use Ni-Cd batteries in their CTL and RMC P.C. Boards. The batteries have a life
of three years, but it is recommended that they be changed before that period is up.
36
KEYS FOR SPECIAL MEMORIES
The data in the memory numbers shown on this page cannot be varied with all of the keys on the
remote control unit. The keys which are effective for such memories are shown in the following
four diagrams.
HE J a я
СОСО) =
MEMORY
Ci
J)
GJ
eee [lo] (AGE)
STEREO FLANGE
2. STEREO PHASING
3. TREMOLO
4, CHORUS A
5. CHORUS B
|
e
=
1.
YAMAHA F6 0614. REVERBERATOR REV-ı
DISPLAY
PS M
;
=
de
a
=
2
2
2
2
2
Ot
1D, 90 e:
E ATI
Hoel ae
x ag al [©]
ит
20. STEREO ECHO
YAMAHA 55:06 ral REVERBERATOR REv-ı
+
DISPLAY
PS M
=
, Е | 7
0
al 8 odon 2
Te ©
lí.
REV. DELAY 2 (D2)
8.80
s ELA ms
E/R DELAY 1 (01)
19. DELAY
YAMAHA FR GTA REVERBERATOR REv-ı
DISPLAY
PSM
L R
-3
-9
a -12 Un
15
-18_
[Г] 21 a
—4 EN
-27
a -30 =
—42 Ш
[ Е |}
”n 5:
{| CLIC] НО
! 2 < o - - ` e
37
38
— | Le
| лего аа Add
aa 4/1
+ Tome | лс | Ес
198410 ©) С) в) С) в ©) в
IO
10—20 > 1 UsuM E =
HE =| mee
OE O |B “o
A fu e
La 4/4
LHC
0 10—20 = 1 veux
10 20 3eY} usarg
© АУ 190 pue |-^зы молумявыялзы луиека Os UV
6 (10) I AV TAA UJom où d I USUO I 3} e [od ЭЦ} SI | SUIMO] [0] au 1-45 LINA TOYINOS 3103
— —
*S197 ouretJed Fa
uo13%9s 4/3 où] Æq porjorquoo Ajureu sI pue ‘suor1°e] jai AJIee ЭЦ)
Jo чот) 119492 ЭЦ) WolJ USITUM UOTILISQISASI 3) ST ÁJISUSP 1UE)SUO) I ALISNHC LNVLSNOD 82
d ALISNHC INY.LSNO9? Le
ALISNAC INVISNOO V ALISNAGCG LNV.LSNOD 32
CHANNEL
HALL-—S
HALL-—M
HALL-—L
RANDOM
REVERSE = >
PLATE
SPRING
nw
a
| | | м
TIME{ms)
TIME (ms)
TIME Cms)
TIME (ms)
TIME (ms)
HR
Le
(2 RELATION BETWEEN ROOM SIZE E/R SETTING AND ACTUAL ROOMS (Left to Right)
LIVENESS : 5
BOX Minicar Shed Apar tment Small Large Small Mid- ‘Large Audi- Astrodome
ROOMS Room Hosting Hosting Nall zed Hall torium
v Y Y Y т Y Y v т Vv Y
i À 1 i 1 1 1
Average Travel
(m) 0.24 0.52 1.11 2.40 5.17 11.1 24.0 51 7 111
| 1 1 1 à E | 1 }
Perimeter of Room
uben Tade Cubical (a) 0.46 1 2.15 4.54 10 21.5 46.4 100 215
1 1 1
Mode Room Volume (m?) ' ' |
7 3 4 5 4
5 Name Kan 0.1 ! 10 10 10 10 10 10 10°
D 1 AN AN (aX (aX
ROOM (a I 2 1 2) 4)—{6 (8)
@ i aN AN (a (>
HALL-S % a—#9——@) 4) (68)
O 1 AN Za (aX
HALL-M (6) 74 Ca | (2) 4)—6H8)
O 1 an AN (aX
HALL-L Co La) (2) U) 2 (4)—(6)<8)
©
RANDOM % (a) (9 (1) (2) 4)—(6 (8)
®
REVERSE D—F-W— SZ Mm (2)>— (4) (6)(8)
@ 1 aN AN (AX (9\ (4) (6)(8)
PLATE (8) a CA) A} 27 4)—(6){(8)
® 1 AN AN (AN (aX
SPRING 8 4 ——2) (1 2) 4)—(6)(8)
© AVERAGE REFLECTION DENSITY FOR EACH REV. MODE
Mode Name and Number Density
D S HD (Super High Density) About 20,000/sec.
© HD/HID (High Density / High Initial Diffusion) | About 15,000/sec.
O HD/ LID (High Density / Low Initial Diffusion) About 10,000/sec.
o MD (Medium Density) About 2,500/sec.
® | MLD (Medium Low Density) | About 1,200/sec.
® LD (Low Density) About 250/sec.
D | SLD (Super Low Density) About 50/sec.
E SD (Equally Spaced Diffusion) About 25/sec.
40
FCC CERTIFICATION (USA)
This equipment generates and uses radio frequency
energy and if not installed and used properly, that is, in
strict accordance with the manufacturer’s instructions,
may cause interference to radio and television reception.
It has been type tested and found to comply with the
limits for a Class B computing device in accordance with
the specifications in Subpart J of Part 15 of FCC Rules,
which are designed to provide reasonable protection
against such interference in a residential installation.
However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does
cause interference to radio or television reception, which
can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference
by one or more of the following measures:
Reorient the receiving antenna.
Relocate the computer with respect to the receiver.
Move the computer away from the receiver.
Plug the computer into a different outlet so that
computer and receiver are on different branch circuits.
If necessary, the user should consult the dealer or an
experienced radio/television technician for additional
suggestions. The user may find the following booklet
prepared by the Federal Communications Commission
heipful:
“How to identify and Resolve Radio-TV interference
Problems’.
This booklet is available from the U.S. Government
Printing Office, Washington, DC 20402, Stock
No. 004-000-00345-4.
~~ YAMAHA
NIPPON GAKKI CO., LTD. HAMAMATSU, JAPAN
[oMD-89] 8550.2 AE Printed in Зара!
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