User's Manual

Table Of Contents
8
Northstar Explorer VHF Series: 721/725 Operation and Installation Manual Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
1-5 LCD Symbols and Meanings
The simulation shows the locations of all the following information symbols on the LCD displays.
Base unit display Optional handset display
These symbols may not appear at all or may be shown in a different location on the optional handset.
Symbol Meaning
TX Transmitting.
HI LO Transmission power. High (HI) 25 W or Low (LO) 1 W.
WX Weather channel.
WX ALT Weather Alert. Alarm beeps will sound. 721/725 US only.
BUSY Receiver busy with an incoming signal.
PRI Priority channel is selected.
D Duplex operation. Otherwise, blank for Simplex operation.
LOCAL Local calling is selected. Otherwise, blank for distance calling.
DSC DSC capability is available.
Indicates an incoming DSC call, or blinks to notify you of any unread
Call Log messages
Low Battery warning (activates at 10.5 V)
88 Channel selected.
USA INT CAN Selected channel bank for VHF radio operations and regulations.
X Channel is temporarily deleted from the ALL SCAN operation.
B A Channel suffix, if applicable.
CH1 CH2 CH3 Shows which of the 3 favorite channels, if any, are selected.
Otherwise blank.
ATIS Enabled for use in European inland waterways. Otherwise blank. 721/725 EU only.
DSC DSC capability is available.
ACK A message acknowledging your DSC call is being displayed.