Navman MCB 7270 operation manual Screen Symbols and Meanings

1.2 Screen Symbols and Meanings

This simulation shows the location of all the symbols that may appear on the screen:

Symbol Meaning

XChannel is locked out (in ALL SCAN mode only).

88	Channel selected (big digits).
Tx	Transmitting on maximum power (PTT depressed).
Rx	The signal of the tuned channel is greater than the squelch setting and the audio
	is not muted.
CH 123	Shows which of the three favourite channels, if any, are selected. Otherwise blank.
PRI	Priority Distress/Calling channel is selected.
BAT	Voltage (shown in big digits) of the battery supplying the radio. If the battery voltage
	falls below 10.8V, BAT will flash continuously and the radio will sound a warning
	beep.
LOC	Local mode for 10-12dB reduced receiver sensitivity.
REJ	Noise rejection is on.
CB	(Citizen Band) land radio band frequencies are selected.
MB	(Marine Band) marine radio band frequencies are selected.
SCAN	The radio is in scanning mode (four scanning modes are available).
SIGNAL	The signal strength of the received channel. The bars are always shown when the
	radio is receiving. One bar indicates a very weak signal, eight bars indicates a very
	strong signal. Note that the signal strength is not shown for transmissions.

6 NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual