Controls And Indicators - Comtek PR-75a Operator's Manual

PR-75a CONTROLS AND INDICATORS
PR-75a Controls
BATTERY COMPARTMENT:
The battery compartment
features a hinged battery cover
and a polarity protection design
to ensure that only proper
battery polarity can occur.
AUDIO OUTPUT JACK:
This stereo/mono audio
output jack accommodates
any low impedance headphone;
also functions as automatic on/off
power switch when headphone is
plugged in and as rechargeable battery
charging access.
VOLUME CONTROL:
This control has 50 dB of range to adjust the audio
output for a comfortable listening level
(clockwise for maximum level).
POWER / RECEIVER STATUS INDICATOR:
LED indicator will display these four functions:
a. Fast blinking ----- Seeking channel
b. Continuous ------- Receiving signal
c. Steady slow flash -------- No signal
d. Rapid flash ------ Low battery
Additionally there is an audible
beeping to indicate a low battery.
AutoSmart-Tuning
This one-button tuning control (AST)
allows the receiver to seek other channels
within the frequency group to which it is tuned.
DATA I/O PORT:
For channel programming or specialty channel sequencing.
TM
PUSH BUTTON:
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