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PRESS-TO-TALK MICROPHONE
The receiver and transmitter are controlled by the press-to-talk switch on the
microphone. Press the switch and the transmitter is activated, release switch
to receive. When transmitting, hold the microphone 2 in. from the mouth and
speak clearly in a normal ‘’voice’’. The radio comes complete with a low-
impedance (500 ohm) dynamic microphone.
NOTE: The receiver audio will not function unless the microphone is
connected
26. LCR BUTTON. Pressing this button causes the unit to revert to the
previously selected channel.
27. TX INDICATOR. This lamp glows red when the transmitter has been
activated.
28. CONTROL PANEL RELEASE BUTTON. Pressing this button causes
the front panel to unlock for removal. Always use care when removing or
replacing the control panel. NOTE: Before removing the front panel turn the
power off. To replace the panel insert the left edge first and slowly push the
panel in place until locked. Due to the microprocessor control, at rare times
errors may occur in the display or the display may become blank. Usually
these errors can be cleared by removing and replacing the control panel. If
necessary the display may be manually reset by removing the control panel
and shorting the pins as indicated on the back of the control panel. The pins
may be shorted by using a jumper wire or tweezers.
POWER JACK. Accepts 13.8 VDC power cable with built-in fuse.
EXT SP. Accepts 4 to 8 ohm, 5 watt external speaker. When an external
speaker is connected to this jack, the built-in speaker is automatically dis-
connected.
ANTENNA. Accepts 50 ohm coaxial cable with a type PL-259 plug.
OPERATING PROCEDURE TO RECEIVE