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The Radio Keys
2
All possible keys and their functions are listed here. Note that some of the keys may not available,
depending on your Lowrance VHF radio model.
2.1 Φ VOL
Volume and Power. Turn clockwise to power on. After displaying the startup LCD briefly, the radio
goes to operational mode in CH16, Hi power transmission, and shows your current position and time if
GPS data is available.
Continue to turn until a comfortable volume is reached. It will also adjust the settings of an external
speaker, if the internal speaker is turned OFF in the Radio Setup MENU..
2.2 SQL
Squelch or Threshold Level. Sets the threshold level for the minimum receiver signal.
Turn fully counterclockwise until random noise is heard, then turn slowly clockwise until the random
noise disappears. Make another ¼ turn clockwise for best reception in open sea conditions.
In areas of high noise (eg close to large cities) reception may improve if sensitivity is reduced. Either
turn SQL slowly clockwise OR use the LOCAL setting. See section 3.4.
2.3 DISTRESS
Send DSC Distress call. Lift the red cover door then press and release DISTRESS to show the
DISTRESS menu.
Select the category you want to transmit.
Hold down DISTRESS for about 3 seconds to transmit.
The DISTRESS key can also be held down continuously to transmit an "undefined" category Distress
call. See Chapter 7 for more information about distress calls.
2.4 Channel Select knob
Change channel. When you are in operational mode, turn to step through the channels one at a time
and select a channel.
The current channel is shown on the LCD in BIG digits. It may have a designator suffix (A B, or D) in
small letters below the channel number. If D is shown, this means DUPLEX operation. See Appendix
C for a complete listing of channel frequencies.
Scroll through menus. When you are in MENU mode, turn to scroll the cursor through the menu
options.
2.5 PUSH TO SELECT
ENT. When you are in MENU mode, push the center of the Channel Select knob to ENTER your
choice or setting. This is referred to throughout the manual as "press ENT".
2.6 16/9
LVR-880US only.
Priority channel. Also on the microphone. Press to cancel all other modes and to tune into the priority
channel on Hi power. Press again to return to your original channel.
The default is Channel 16. To make Channel 09 the default instead, hold down 16/9 until a beep
sounds and 09 is displayed.
The PRi annunciator shows the selected priority channel that will be accessed with a quick press of
the 16/9 key.
9
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