Installation manual
Chapter 2: Operation
18 HI/LO transmission power
HI/LO transmission power
Press the soft key HI/LO to toggle the transmit power between low (1 W) and
high (25 W). If LO is not displayed, the transmit power is HI.
US channels: Local mode, 10 dB attenuation
To attenuate to the incoming signal, do as follows:
1. Press the soft key LOCAL to add 10 dB attenuation. If it is not in the display,
press the soft key MORE until LOCAL appears in the display.
US channels: Overriding LOW power for channels 13 and 67
When running in US mode you can override low power on the alternative call
channels 13 and 67. Do as follows:
1. With the VHF radio set to 13 and 67, press PTT on the speaking device.
2. Press the soft key OVRIDE to transmit with full power.
When you release the PTT button, the transmission power goes back to
low.
Note
Local mode is automatically exited when using channel 16. If you
want to use attenuation on channel 16 or a call channel, you must
set it manually each time.










