SLX2 Wireless Transmitter Service Manual
25A1090
SLX2 WIRELESS HANDHELD TRANSMITTER
PRODUCT DESCRIPTION
The Shure Model SLX2 is a µP (microprocessor) controlled frequency agile UHF handheld transmitter operating over the frequency range of 518 to 865 MHz (in eight different 24 MHz-wide frequency bands). The transmitter will operate for a minimum of 8 hours using two "AA" alkaline batteries. The User Interface includes "mode" and "set" buttons, and an LCD that displays battery status, group/channel, and transmitter/ receiver frequency synchronization. The SLX2 has a plastic enclosure, and utilizes an internal antenna for optimum range and reliability. This product is intended for use in entry-level presentation, installed, and performance markets.
SLX mute select
FEATURES
©
2006, Shure Incorporated
25A1090 (Rev.3)
1.
Frequency agile; microprocessor controlled. Model number extension determines frequency band of operation.
2.
Minimum of 12 compatible systems per SKU in the U.S. Additionally, a minimum of 12 compatible systems in the top 50 U.S. markets across all three domestic SKU's (H5, J3, and L4).
3.
Operating frequency programmable locally or from the receiver using a built-in IR link.
4.
Designed for use with "AA" alkaline batteries (2 required). May also be used with rechargeable "AA" batteries. Note: battery condition indicator is calibrated for alkaline batteries and may not be accurate with rechargeable types. Electrical reverse battery protection is included.
5.
Minimum battery life of 8 hours with new "AA" alkaline batteries.
6.
Designed for use with SM58, BETA 58, SM86, and BETA 87A&C microphone heads. Compatible with "active load" or standard heads (active load circuitry to be incorporated in heads).
7.
Tone key squelch.
8.
Power/Mute and Select buttons with LCD display for frequency group/channel selection and control. LED backlight for easy reading of LCD display.
9.
Bicolor, green/red LED for power "on" and low battery, mute and infrared link indications.
10.
Rugged plastic construction.
11.
Utilizes Shure Patented ARC (Audio Reference Companding) audio processing.
DETAILED DESCRIPTION
Features
1
2
3
SLX
1 Interchangeable microphone head (SM58 pictured)
2 Power / Infrared (IR) / Mute indicator
Green: ready
Amber: mute on
Flashing red: IR transmission in process
Glowing red: battery power low
Pulsing red: battery dead (transmitter cannot be turned off until batteries are changed)
3 LCD screen
4 On-off / mute switch
Press and hold to turn on or off. Press and release to mute or unmute.
5 Select switch
6 IR port
Receives infrared beam to synchronize frequencies. When using multiple systems, only one
transmitter IR port should be exposed at a time.
4 mute select 5
6
SLX mute select
Adjusting Gain
Access the gain adjustment switch a
by unscrewing the head of the microphone.
Two gain settings are available on the SLX2. Choose a setting appropriate for vocal volume and for the performing environment. Use the tip of a pen or a small screwdriver to move the switch.
• 0dB: For quiet to normal vocal performance.
• –10dB: For loud vocal performance.
BIAS
AUDIO
0dB
-10dB a b
SLX mute select
25A1090 (Rev.3)
2
