8.1 Display and control elements, connections
Antenna
Channel switch
This knob is turned to select channel storage spaces 1–S (channel S can be
programmed as a search run function) For pre-set channels and pilot tones,
see table: "Default Values of Channels" under Item 8.4.4
LED display
The red LED display illuminates when transmitting. The green LED display illu-
minates when receiving. The red LED flashes when the battery voltage is low.
ON/OFF and volume control
Turn the knob clockwise to turn the device on. To turn the device off, turn it
counter clockwise until a signal tone sounds. When the radio unit is turned
on, this knob is used to control the volume.
Loudspeaker
PTT (Push to Talk)
PTT is pressed for transmitting and PTT is released for receiving.
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Microphone
33