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11Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual
To add a favorite channel for the fi rst time, select that channel then hold 3CH to store
it in the CH1 location. Repeat the procedure to store two more favorite channels in
the CH2 and CH3 locations respectively.
If you try and add another favorite channel it will overwrite the existing CH3. CH1
and CH2 remain unless you delete them.
To delete a favorite channel, select that channel then hold down 3CH until the CH1,
CH2 or CH3 symbol disappears off the LCD.
SCAN Scan. Scanning is not allowed in some European countries. Otherwise, press to
scan between your current channel and the priority channel in DUAL or TRI WATCH
mode. The weather channel is also scanned if the USA channel bank is selected and
the weather alert mode is ON.
Hold down SCAN to enter ALL SCAN mode where the priority channel is checked
every 1.5 seconds.
When a signal is received, scanning stops at that channel and BUSY appears on the
LCD. If the signal stops for more than 5 seconds, the scan restarts.
Press ENT or push the rotary knob to temporarily skip over (lock out) an “always busy”
channel when in ALL SCAN mode and resume the scan. An X is shown on the LCD
to designate a skipped channel. It’s not possible to skip over the priority channel.
Press SCAN to stop at the curr.ent channel.
CALL/MENU Radio Menu, DSC Set up Menu, Radio Set up Menu and DSC CALL Menu.
Hold down to show the radio menu (see Section 2) and to access the radio set up
menu (see Section 3) and the DSC set up menu (see Section 4).
Press to enter the DSC call menu and to make DSC calls (see Section 5).
WX Weather Channel. 721US only. In USA and Canadian waters, press to hear the most
recently selected weather station. The WX symbol is displayed on the LCD.
Press CH + or CH - to change to a diff erent weather channel. Press WX again to
return to the most recent channel.
If the weather alert mode is ON and an alert tone of 1050 Hz is broadcast from the
weather station, it’s picked up automatically and the alarm sounds. Press any key
to hear the weather alert voice message.
IC or H/L IC Intercom. Optional 701US or 701EU handset required. Hold down to enter Intercom mode
on USA models. EU models need just a single press and release.. This disables the radio
receiver except for incoming DSC calls and the intercom calls the other unit.
Press PTT when invited. When you’re fi nished, press ESC to exit Intercom mode or
put the handset back on hook.
ESC Escape. Use ESC when navigating menus, to clear incorrect entries, to exit from a
menu without saving changes, and to back up to the previous screen.
Rotary knob Channel Select. Turn to select a channel. The current channel is shown on the LCD
in BIG digits with an A or B designator suffi x (if applicable) in small letters below the
channel number. (See Appendix C for a listing of channel frequencies.)
Push to activate the ENTER function.
You can also use the rotary knob for alphanumeric entry if you don’t have an alpha-
numeric micrphone. Turn to step through alphanumeric characters one at a time
then push to confi rm each selection. If you make an error, select the < character
then push to backup.