HP LD4730G 47-inch Micro-Bezel Video Wall Display with Protective Glass User manual
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HP LD4730 and LD4730G LCD Ultraslim Bezel Digital Signage Displays
Command Reference Guide
© 2012 Hewlett-Packard Development
Company, L.P.
Microsoft, Windows, and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United
States and/or other countries.
The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
This document contains proprietary information that is protected by copyright.
No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company.
First Edition (January 2012)
Document Part Number: 680967-001
About This Guide
This guide provides information on command references for the HP LD4730 and LD4730G LCD
Ultra-slim Bezel Digital Signage Displays.
WARNING!
Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information.
NOTE: Text set off in this manner provides important supplemental information.
ENWW iii
iv About This Guide ENWW
Table of contents
ENWW v
vi
ENWW
Command reference
This chapter gives the information needed to send control commands to the display from your own programs. Use the RS-232-C port for transmitting and receiving commands.
Connecting the cable
Use this method if you want to connect several products to a single PC so that all displays can be controlled at once.
Connect the RS-232-C cable as shown in the following illustration. The RS-232-C protocol is used for communication between the media player/computer and the display. You can turn the display on/off, select an input source or adjust the OSD menu from the media player/computer.
Figure 1 Daisy chain
RS-232C
(CONTROL)
OUT
RS-232C
(CONTROL)
OUT
RS-232C
(CONTROL)
OUT
RS-232C
(CONTROL)
OUT
IN IN IN IN
1
RS-232-C configurations
2
media player/ computer
RXD 2
TXD 3
GND 5
DTR 4
DSR 6
7-Wire configurations
(Standard RS-232-C cable)
Display
5
6
3
2
4
3
TXD
RXD
GND
DSR
DTR
4
RXD 2
TXD 3 media player/ computer
GND 5
DTR 4
DSR 6
(Not Standard)
Display
3 TXD
2 RXD
5 GND
6 DSR
4 DTR
ENWW Connecting the cable 1
RTS 7
CTS 8
7-Wire configurations
(Standard RS-232-C cable)
8
7
CTS
RTS
(Female) (Female)
RTS 7
CTS 8
D-Sub 9
(Female)
(Not Standard)
(Female)
7 CTS
8 RTS
Communication parameter
● Baud Rate—9600 baud rate (UART)
● Data Length—8 bit
● Parity Bit—None
● Stop Bit—1 bit
● Flow Control—None
● Communication Code—ASCII code
● Use a crossed (reverse) cable
Command reference list
The table below shows the commands supported by the LD4730 and LD4730G.
COMMAND1 COMMAND2 DATA1
01. Power
02. Input Select
03. Aspect Ratio
04. Local Dimming
05. Backlight
06. Volume Control
07. Contrast
08. Brightness
09. Ambient Light Sensor
10. Display Name
11. Sharpness
12. OSD Select
13. Remote Lock/Key Lock
14. Balance j j k k k m k k k v k k k k l f t a b c a g g h b a k m
00H–64H
00H–02H
00H–0AH
00H–01H
00H–01H
00H–64H
00H–01H
07H–0BH
01H–1FH
00H–01H
00H–064H
00H–64H
00H–64H
DATA2 DATA3
2 Command reference ENWW
ENWW
COMMAND1 COMMAND2 DATA1
15. Color Temperature
16. Abnormal State
17. ISM Method
18. Auto Configuration
19. Key
20. Subnet mask (NSM)
21. Tile H Position
22. Tile V Position
23. Tile H Monitors
24. Tile V Monitors
25. Display Location
26. Natural Mode (In Tile Mode)
27. Picture Mode (PSM)
28. Sound Mode
29. Player Name
30. Operating Time
31. Thermal Value
32. LED Fault Check
33. DHCP (VOE)
34. Speaker
35. Time
36. On Timer (On/Off Timer) Time f f j j k k m v d d d d v d d d v d d d v d
1–5
1–5
1–5
1–5
00H–03H
FFH
01H–08H
01H
Key Code
00H–01H
00H–05H
01H–02H
FFH
FFH
FFH
00H–01H
00H–01H
37. Off Timer (On/Off Timer) Time f l d n p j b x y e v a d f e g h p u u z l c e
F1H–F4H
E0H–E4H
01H–80H
F1H–F4H
E0H–E4H
01H–80H
F1H–F4H 38. Scheduling Input Select
39. IP Address (VOE)
40. Auto Detection
41. Power On Delay
42. Language
43. DPM Select
44. Reset f f f f f f v i h j k u f g 00H–01H
00H–01H
00H–09H
00H–02H
00H–02H
00H–17H
00H–17H
07H–0BH
DATA2 DATA3
00H–3BH
00H–3BH
Command reference list 3
COMMAND1 COMMAND2 DATA1
45. Energy Saving
46. Subnet mask (VOE)
47. Serial No.
48. S/W Verison
49. IP Address (NSM)
50. Mac Address (VOE)
51. Check VOE availability
52. Mac Address (NSM)
53. Product Name f f f f v v v v v l j
I g y z k h v
00H–03H
FFH
FFH
FFH
FFH
DATA2
Transmission/Receiving Protocol
Transmission
[Command1][Command2][][Set ID][][Data][Cr]
DATA3
*[Command 1]
*[Command 2]
*[Set ID]
*[Data]
*[Cr]
*[]
First command (k, j, m, d, f, x, v)
Second command (a to z)
Set up the Set ID number of product. range: 01H to 63H. by setting
'0', server can control all products.
When operating with more than 2 sets using set ID as '0' at the same time, do not check the ack message. Because all sets will send the ack message, it is not possible to check all of the ack messages.
To transmit command data.
Transmit 'FF' data to read status of command.
Carriage Return
ASCII code '0 x 0 D'
ASCII code Space (0 x 20)
OK Acknowledgement
[Command2][][Set ID][][OK][Data][x]
*The Product transmits ACK (acknowledgement) based on this format when receiving normal data. At this time, if the data is in data read mode, it indicates present status data. If the data is in data write mode, it returns the data of the media player/computer.
4 Command reference ENWW
Error Acknowledgement
[Command2][][Set ID][][NG][Data][x]
If there is an error, it returns NG
01. Power (Command: k a)
To control Power On/Off of the Set.
Transmission
[k][a][][Set ID][][Data][Cr]
[Data] 0: Power Off
1: Power On
Acknowledgement
[a][][Set ID][][OK][Data][x]
To show the status of Power On/Off.
Transmission
[k][a][][Set ID][][FF][Cr]
Acknowledgement
[a][][Set ID][][OK][Data][x]
[Data] 0: Power Off
1: Power On
ENWW Transmission/Receiving Protocol 5
02. Input Select (Command: k b) (Main Picture Input)
To select input source for the Set.
Transmission
[k][b][][Set ID][][Data][Cr]
[Data] 07H: RGB (PC)
09H: Ethernet
0BH: DisplayPort (PC)
Acknowledgement
[b][][Set ID][][OK][Data][x]
03. Aspect Ratio (Command: k c) (Main picture format)
To adjust the screen format.
Transmission
[k][c][][Set ID][][Data][Cr]
[Data] 1: 4:3
2: 16:9
4: Zoom
6: Original
7: 14:9
9: 1:1
10H: Cinema Zoom
Acknowledgement
[c][][Set ID][][OK][Data][x]
04. Local Dimming (Command: j a)
To turn local dimming on/off.
6 Command reference ENWW
Transmission
[j][a][][Set ID][][Data][Cr]
[Data] 0: Local dimming off
1: Local dimming on
Acknowledgement
[a][][Set ID][][OK][Data][x]
05. Backlight (Command: m g)
To control the brightness of the backlight.
Transmission
[m][g][][Set ID][][Data][Cr]
[Data] Min: 00H to Max: 64H
Acknowledgement
[g][][Set ID][][OK][Data][x]
06. Volume Control (Command: k f)
To adjust Volume.
Transmission
[k][f][][Set ID][][Data][Cr]
[Data] Min: 00H to Max: 64H
(Hexadecimal code)
Acknowledgement
[f][][Set ID][][OK][Data][x]
ENWW Transmission/Receiving Protocol 7
07. Contrast (Command: k g)
To adjust screen contrast.
Transmission
[k][g][][Set ID][][Data][Cr]
[Data] Min: 00H to Max: 64H
Acknowledgement
[g][][Set ID][][OK][Data][x]
08. Brightness (Command: k h)
To adjust screen brightness.
Transmission
[k][h][][Set ID][][Data][Cr]
[Data] Min: 00H to Max: 64H
Acknowledgement
[h][][Set ID][][OK][Data][x]
09. Ambient Light Sensor (Command j b)
To set the frequency of adjustment to ambient light.
Transmission
[j][b][][Set ID][][Data][Cr]
[Data] 00H: OFF
01H: LOW
02H: HIGH
8 Command reference ENWW
Acknowledgement
[b][][Set ID][][OK][Data][x]
10. Display Name (Command: v a)
To fill the Display Name field for VOE.
Transmission
[v][a[][Set ID][][Data][Cr]
[Data] A text string, 32 characters maximum.
Acknowledgement
[a][][Set ID][][OK][Data][x]
11. Sharpness (Command: k k)
To adjust the screen Sharpness.
Transmission
[k][k][][Set ID][][Data][Cr]
[Data] Min: 00H to Max: 0AH
Acknowledgement
[k][][Set ID][][OK][Data][x]
12. OSD Select (Command: k l)
To control OSD on/off to the set.
Transmission
[k][l][][Set ID][][Data][Cr]
ENWW Transmission/Receiving Protocol 9
[Data] 0: OSD Off
1: OSD On
Acknowledgement
[l][][Set ID][][OK][Data][x]
13. Remote Lock/Key Lock (Command: k m)
To control Remote Lock on/off to the set.
This function, when controlling RS-232-C, locks the remote control and the local keys.
Transmission
[k][m][][Set ID][][Data][Cr]
[Data] 0: Off
1: On
Acknowledgement
[m][][Set ID][][OK][Data][x]
14. Balance (Command: k t)
To adjust the sound balance.
Transmission
[k][t][][Set ID][][Data][Cr]
[Data] Min: 00H to Max: 64H
(Hexadecimal code)
00H: Step L50
64H: Step R50
Acknowledgement
10 Command reference ENWW
[t][][Set ID][][OK][Data][x]
15. Color Temperature (Command: k u)
To adjust the screen color temperature.
Transmission
[k][u][][Set ID][][Data][][Red gain][][Green gain][][Blue gain][Cr]
[Data] 0: 9300K
1: 8000K
2: 6500K
3: User
When Data is 3, specify R, G, B gains:
[Red gain] 00H — FFH
[Green gain] 00H — FFH
[Blue gain] 00H — FFH
Acknowledgement
[u][][Set ID][][OK][Data][][Red gain][][Green gain][][Blue gain][x]
16. Abnormal state (Command: k z)
Abnormal State: Used to Read the power off status when Stand-by mode.
Transmission
[k][z][][Set ID][][Data][Cr]
[Data] FF: Read
ENWW Transmission/Receiving Protocol 11
Acknowledgement
[z][][Set ID][][OK][Data][x]
[Data] 0: Normal (Power on and signal exist)
1: No signal (Power on)
2: Turn the display off by remote control
3: Turn the display off by sleep time function
4: Turn the display off by RS-232-C function
8: Turn the display off by off time function
9: Turn the display off by auto off function
17. ISM Method (Command: j p)
Used to select the afterimage preventing function.
Transmission
[j][p][][Set ID][][Data][Cr]
[Data] 1H: Inversion
2H: Orbiter
4H: White Wash
6H: Dot wash
8H: Off
Acknowledgement
[p][][Set ID][][OK][Data][x]
18. Auto Configure (Command: j u)
To adjust picture position and minimize image shaking automatically. It works only in RGB (PC) mode.
Transmission
[j][u][][Set ID][][Data][Cr]
12 Command reference ENWW
[Data] 1: To set
Acknowledgement
[u][][Set ID][][OK][Data][x]
19. Key (Command: m c)
To send an infrared remote control key press.
Transmission
[m][c][][Set ID][][Data][Cr]
[Data] Code of the desired key.
Acknowledgement
[c][][Set ID][][OK][Data][x]
20. Subnet mask, NSM setup (Command: v l)
To set the subnet mask for Network Sign Manager.
Transmission
[v][l][][Set ID][][Data][Cr]
[Data] A text string, of the form: “hhhhhh” where h is a hex digit.
Acknowledgement
[I][][Set ID][][OK/NG][Data][x]
21. Tile H Position (Command: d e)
To set the Horizontal position of this display within a tiled array.
Transmission
ENWW Transmission/Receiving Protocol 13
[d][e][][Set ID][][Data][x]
[Data] Min: 1 to Max: 5
Acknowledgement
[e][][Set ID][][OK/NG][Data][x]
22. Tile V Position (Command: d f)
To set the Vertical position of this display in a tiled array.
Transmission
[d][f][][Set ID][][Data][x]
[Data] Min: 1 to Max: 5
Acknowledgement
[f][][Set ID][][OK/NG][Data][x]
23. Tile H Monitors (Command: d g)
To set the number of columns.
Transmission
[d][g][][Set ID][][Data][x]
[Data] Min: 1 to Max: 5
Acknowledgement
[g][][Set ID][][OK/NG][Data][x]
24. Tile V Monitors (Command: d h)
To set the number of rows.
14 Command reference ENWW
Transmission
[d][h][][Set ID][][Data][x]
[Data] Min: 1 to Max: 5
Acknowledgement
[h][][Set ID][][OK/NG][Data][x]
25. Display Location (Command: v b)
To fill the Display Location field for VOE.
Transmission
[v][b][][Set ID][][Data][x]
[Data] A text string, 32 characters maximum.
Acknowledgement
[b][][Set ID][][OK/NG][Data][x]
26. Natural Mode (In Tile Mode) (Command: d j)
To assign the Title Natural mode for Tiling function.
Transmission
[d][j][][Set ID][][Data][x]
[Data] 0: Natural Off
1: Natural On ff: Read Status
Acknowledgement
[j][][Set ID][][OK/NG][Data][x]
ENWW Transmission/Receiving Protocol 15
27. Picture Mode (Command: d x)
To adjust the picture mode.
Transmission
[d][x][][Set ID][][Data][x]
Data Structure
Data (Hex) MODE
00
01
02
05
Vivid
Standard
Cinema
Expert 1
Acknowledgement
[x][][Set ID][][OK/NG][Data][x]
28. Sound Mode (Command: d y )
To adjust the Sound mode.
Transmission
[d][y][][Set ID][][Data][X]
Data Structure
Data (Hex) MODE
01 Standard
02 Voice
Acknowledgement
[y][][Set ID][][OK/NG][Data][x]
29. Player Name (Command: v d )
To fill the Player Name field for VOE.
16 Command reference ENWW
Transmission
[v][d][][Set ID][][Data][x]
[Data] A text string up to 64 characters long.
Acknowledgement
[d][][Set ID][][OK/NG][Data][x]
30. Operating time (Command: d l)
To read the hours of operating time.
Transmission
[d][l][][Set ID][][Data][x]
[Data] Data is always FF (in Hex)
Acknowledgement
[l][][Set ID][][OK/NG][Data][x]
[Data] The data means used hours.
(Hexadecimal code)
31. Thermal value (Command: d n)
To read the inside temperature.
Transmission
[d][n][][Set ID][][Data][x]
[Data] Data is always FF (in Hex)
Acknowledgement
ENWW Transmission/Receiving Protocol 17
[n][][Set ID][][OK/NG][Data][x]
[Data] The data is 1 byte signed integer between –128 and 127.
32. LED fault Check (Command: d p)
To check LED fault.
Transmission
[d][p][][Set ID][][Data][x]
[Data] Data is always FF (in Hex)
Acknowledgement
[p][][Set ID][][OK/NG][Data][x]
[Data] 0: LED Fault
1: LED OK
2: N/A(DPM/Power Off)
33. DHCP (VOE) (Command: v e)
Set DHCP on or off for VOE.
Transmission
[v][e][][Set ID][][Data][x]
[Data] 0: Disable
1: Enable
Acknowledgement
[e][][Set ID][][OK/NG][Data][x]
18 Command reference ENWW
34. Speaker (Command: d v)
Turn the speaker on or off.
Transmission
[d][v][][Set ID][][Data][x]
[Data] 0: Off
1: On
Acknowledgement
[v][][Set ID][][OK/NG][Data][x]
35. Time (Command: f a)
Set the current time.
Transmission
[f][a][][Set ID][][Year][][Month][][Day of Month][][Hour][][Minute][]
[Daylight Saving Time][Cr]
[Year] 00H — 63H
The given value is added to 2000 to obtain the year.
[Month] 00H to 0BH
[Day of Month] 01H to 1EH
[Hour] 00H to 17H
[Minute] 00H to 3BH
ENWW Transmission/Receiving Protocol 19
[Daylight saving time]
0: Off
1: On
Acknowledgement
[a][][Set ID][][OK/NG][Year][Month][Day of Month][Hour][Minute]
[Daylight Saving Time][x]
When reading data, FFH is inputted for all arguments. In other cases, all are treated as NG.
36. On Timer (On/Off Timer) Time (Command: f d)
Set On Timer.
Transmission
[f][d][][Set ID][][Data1][][Data2][][Data3][][Data4][][Data5][Cr]
1.
[Data1] F1H to F7H (write/read one index)
F1: write/read 1st index of On Time List
F2: write/read 2nd index of On Time List
F3: write/read 3rd index of On Time List
F4: write/read 4th index of On Time List
F5: write/read 5th index of On Time List
F6: write/read 6th index of On Time List
F7: write/read 7th index of On Time List
2.
E0H to E7H (delete one index),
E0H (delete all indexes)
[Data2] 01H to 80H (write) (Day of Week) bit7 (80H): Every day
20 Command reference ENWW
(1FH): Monday to Friday
(3FH): Monday to Saturday
(60H): Saturday to Sunday
[Data3] Every Week (write)
00H: Disable Every Week
01H: Enable Every Week
[Data4] 00H to 17H, FFH (Hours)
[Data5] 00H to 3BH, FFH (Minutes)
When you read/delete the current on time list, all of [Data2][Data3][Data4][Data5] have to be FFH ex1: fd 01 F1 FF FF FF FF - when you read 1st index of On Time List ex2: fd 01 E1 FF FF FF FF - when you delete 1st index of On Time List ex3: fd 01 F1 3F 01 02 03 - when you write 1st index of On Time Data, "Monday to
Saturday every week, 02:03"
Acknowledgement
[d][][Set ID][][OK][Data1][Data2][Data3][Data4][Data5][x]
37. Off Timer (On/Off Timer) Time (Command: f e)
Set Off Timer.
Transmission
[f][e][][Set ID][][Data1][][Data2][][Data3][][Data4][][Data5][Cr]
ENWW Transmission/Receiving Protocol 21
1.
[Data1] F1H to F7H (write/read one index)
F1: write/read 1st index of Off Time List
F2: write/read 2nd index of Off Time List
F3: write/read 3rd index of Off Time List
F4: write/read 4th index of Off Time List
F5: write/read 5th index of Off Time List
F6: write/read 6th index of Off Time List
F7: write/read 7th index of Off Time List
2.
E0H to E7h (delete one index),
E0H (delete all indexes)
[Data2] 01H to 80H (write) (Day of Week) bit7 (80H): Every day
(1FH): Monday to Friday
(3FH): Monday to Saturday
(60H): Saturday to Sunday
[Data3] Every Week (write)
00H: Disable Every Week
01H: Enable Every Week
[Data4] 00H to 17H, FFH (Hours)
22 Command reference ENWW
[Data5] 00H to 3BH, FFH (Minutes)
When you read/delete the current off time list, all of [Data2][Data3][Data4][Data5] have to be FFH ex1: fd 01 F1 FF FF FF FF - when you read 1st index of Off Time List ex2: fd 01 E1 FF FF FF FF - when you delete 1st index of Off Time List ex3: fd 01 F1 3F 01 02 03 - when you write 1st index of Off Time Data, "Monday to
Saturday every week, 02:03"
Acknowledgement
[e][][Set ID][][OK][Data1][Data2][Data3][Data4][Data5][x]
38. Scheduling Input select (Command: f u) (Main Picture Input)
To select input source for scheduled On times.
Transmission
[f][u][][Set ID][][Data1][][Data2][Cr]
[Data1] F1h to F7h(write/read one index)
F1: read 1st index of On Time Input
F2: read 2nd index of On Time Input
F3: read 3rd index of On Time Input
F4: read 4th index of On Time Input
ENWW
[Data2] 07H
09H
0BH
VGA
Ethernet
DisplayPort (PC)
When you read/delete the current On Time Input, [Data2] needs to be 0xFF.
ex1: fu 01 F1 FF- when you read 1st index of On Time Input ex2: fu 01 F3 07- when you write one On Time Input Data in to 3rd index, "RGB"
Acknowledgement
Transmission/Receiving Protocol 23
[u][][Set ID][][OK][Data1][Data2][x]
39. IP Address, VOE Setup (Command: v f)
Set the IP address for VOE.
Transmission
[v][f][][Set ID][][Data][Cr]
[Data] A text string, of the form: “hhhhhh” where h is a hex digit.
Acknowledgement
[f][][Set ID][][OK/NG][Data][x]
40. Auto Detection (Command: f g)
Set Auto Detection.
Transmission
[f][g][][Set ID][][Data][Cr]
[Data] 0: Off
1: On
Acknowledgement
[g][][Set ID][][OK/NG][Data][x]
41. Power On Delay (Command: f h)
Turn off or on the power-on-delay feature.
Transmission
[f][h][][Set ID][][Data][Cr]
24 Command reference ENWW
[Data] 0: Off
1: On
Acknowledgement
[h][][Set ID][][OK/NG][Data][x]
42. Language (Command: f i)
Set the OSD language.
Transmission
[f][i][][Set ID][][Data][Cr]
[Data] 0: English
1: French
2: German
3: Spanish
4: Italian
5: Portuguese
6: Chinese
7: Japanese
8: Korean
9: Dutch
Acknowledgement
[i][][Set ID][][OK/NG][Data][x]
43. DPM Select (Command: f j)
Set the DPM (Display Power Management) function.
Transmission
[f][j][][Set ID][][Data][Cr]
ENWW Transmission/Receiving Protocol 25
[Data] 0: Off
1: On
2: VGA only
Acknowledgement
[j][][Set ID][][OK/NG][Data][x]
44. Reset (Command: f k)
Execute the Factory Reset function.
Transmission
[f][k][][Set ID][][Data][Cr]
[Data] 2: Factory Reset
Acknowledgement
[k][][Set ID][][OK/NG][Data][x]
45. Energy saving (Command: f I)
To set the energy saving mode.
Transmission
[f][I][][Set ID][][Data][Cr]
[Data] 0: Off
1: Level 1
2: Level 2
3: Level 3
Acknowledgement
[I][][Set ID][][OK/NG][Data][x]
26 Command reference ENWW
46. Subnet mask, VOE Setup (Command: v g)
To set the subnet mask for VOE.
Transmission
[v][g][][Set ID][][Data][Cr]
[Data] A text string, of the form: “hhhhhh” where h is a hex digit.
Acknowledgement
[g][][Set ID][][OK/NG][Data][x]
47. Serial no. Check (Command: f y)
To read the serial numbers
Transmission
[f][y][][Set ID][][Data][Cr]
[Data] Data FF (to read the serial numbers)
Acknowledgement
[y][][Set ID][][OK/NG][Data1]to[Data13][x]
[Data] The data format is ASCII Code.
48. S/W Version (Command: f z)
Check the software version.
Transmission
[f][z][][Set ID][][Data][Cr]
[Data] FFH: Read
ENWW Transmission/Receiving Protocol 27
Acknowledgement
[z][][Set ID][][OK/NG][Data][x]
49. IP Address, NSM setup (Command: v k)
To set the IP Address for Network Sign Manager.
Transmission
[v][k][][Set ID][][Data][Cr]
[Data] A text string, of the form: “hhhhhh” where h is a hex digit.
Acknowledgement
[k][][Set ID][][OK/NG][Data][x]
50. Mac Address, VOE Setup (Command: v h)
To set the Mac address for VOE.
Transmission
[v][h][][Set ID][][Data][Cr]
[Data] A text string, of the form:
“hhhhhhhhhhhh” where h is a hex digit.
Acknowledgement
[h][][Set ID][][OK/NG][Data][x]
51. Check VOE availability (Command: v i)
To check whether display is free or attached to a media player by VOE. When the display is attached, no configuration may be performed.
Transmission
[v][i][][Set ID][][Data][Cr]
28 Command reference ENWW
[Data] FFH: Read
Acknowledgement
[i][][Set ID][][OK/NG][Data][x]
[Data] 0: Free
1: Busy (Configuring display not allowed)
52. Mac Address, NSM setup (Command: v j)
To set the Mac address for Network Sign Manager.
Transmission
[v][j][][Set ID][][Data][Cr]
[Data] A text string, of the form:
“hhhhhhhhhhhh” where h is a hex digit.
Acknowledgement
[j][][Set ID][][OK/NG][Data][x]
ENWW Transmission/Receiving Protocol 29
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