TC-508 Owner’s Manual
13
Basic Operations
Turning the Radio On/Off
Rotate the Radio On-Off/Volume Control knob clockwise/counter-clockwise until a click is heard to turn
the radio on/off.
Adjusting Volume
You may adjust call volume through the knob. Rotate the knob clockwise to increase the volume, or
counter-clockwise to decrease the volume.
Selecting a Channel
The radio supports up to 16 channels. You can rotate the Channel Selector knob to select a desired
channel. White mark on the knob corresponding to the channel shall be the current channel.
Note: When the radio is currently on a blank channel, it sounds beep tones continuously.
Transmitting / Receiving
To transmit a signal, press and hold down the PTT, and speak into the microphone. During transmission,
the LED glows red.
To receive, just release the PTT. When a signal is received, the LED glows green.
Note:
To ensure optimal volume of the receiving radio, hold the palm microphone approximately 2.5
to 5 centimeters away from your mouth.
Communication range may get affected in rainy days or forest locations.
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