UHF radio in GUARD transceiver mode, indicated by the GRD line below UHF. If VHF is set to GUARD transceiver mode, the GRD line will show below the VHF line.
UHF radio in GUARD transceiver mode, indicated by the GRD line below UHF. If VHF is set to GUARD transceiver mode, the GRD line will show below the VHF line.