CH88 Handheld Transmitter - Features
1.
Status Indicator - This LED displays the
operation mode:
GREEN
RED
Flashing GREEN
2.
Power/Mute Switch - Press and hold to turn
the unit on or off. Press and release to mute or
unmute the transmitter.
3.
Battery Cover - Unscrew the battery cover
and slide down to open the CH88 battery
compartment.
4.
Battery Holder - Open the battery holder by
pressing the tab and lifting the cover. Insert
two standard AA (LR6) batteries here, being
sure to observe the plus and minus polarity
markings shown. Although rechargeable
Ni-Cad batteries can be used, they do not
supply adequate current for more than four
hours. WARNING: Do not insert the batteries
backwards; doing so can cause severe damage
to the CH88 and will void your warranty.
5.
Input GAIN Control - This control adjusts the
transmitter input sensitivity. For optimal
performance, using the included screwdriver,
set the input GAIN control to where you see
the CR88x PEAK indicator start to light under
high levels, then turn down until the PEAK
light stops lighting.
6.
IR Lens - This window is used to capture the infrared signal sent from the CR88x during
the IR SET to channelize the transmitter. The battery cover must be open and the IR Lens
facing towards the receiver to load the selected channel.
7.
Screwdriver - Designed for use in adjusting the CH88 input GAIN control.
Concert 88x Wireless System
Normal Operation
Mute
Low Battery
11