Samson Concert 288m Presentation Dual-Channel Wireless Lavalier & Headset Microphone System (D: 542 to 566 MHz) - Manual (Page 8)

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Guided Tour - CB88 Belt Pack Transmitter
7. Input GAIN Control - This control adjusts the transmitter input sensitivity to better
suit the lavalier or headset microphone and to control overload/distortion. For optimal
performance, using the included screwdriver, set the input GAIN control to where you
see the AR299m PEAK indicator start to light under high levels, then turn down slowly
until the PEAK light stops lighting.
8. Battery Holde r - 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 CB88 and
will void your warranty.
9. IR Lens - This window is used to capture the infrared signal sent from the AR299m
receiver during the IR SET to channelize the transmitter.
10. Screwdriver - Designed for use in adjusting the CB88 input GAIN (#7) control.