Lowrance electronic 8VHF 사용자 설명서

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3-4-2 Set local sensitivity
MENU SELECT
 BACKLIGHT 
 BUDDY LIST
►LOCAL/DIST
 CONTRAST  
SENSITIVITY
 DISTANT
►LOCAL
1. 
Select LOCAL/DIST then scroll to LOCAL.
2. 
Press ENT to activate the LOCAL setting. This disables distance sensitivity and the menu 
is displayed again. 
 LOCAL
 is displayed on the LCD as a reminder that sensitivity is reduced.
3-5 Set the contrast level (CONTRAST) 
There are 8 levels of contrast.
MENU SELECT
 BUDDY LIST
 LOCAL/DIST
►CONTRAST
 GPS/DATA  
CONTRAST
  
  LO    HI
PRESS ENT
1. 
Select CONTRAST. 
2. 
Select a comfortable contrast level using the Channel Select knob or + or – on the 
microphone to change the setting. 
3. 
Press ENT to enable the setting and return to the menu. 
3-6 GPS data and time (GPS/DATA) 
If the boat has an operational GPS navigation receiver and is connected by NMEA port, the 
VHF radio automatically detects and updates the vessel position and the local time. 
However, if the GPS navigation receiver is disconnected or absent, you can specify the vessel 
position and the local time manually, using the GPS/DATA option.
This information is important because it will be used if a DSC distress call is transmitted.
•  If GPS data is NOT available for some reason, the NO GPS alert will sound for 5 seconds (or 
until you press any key) and the radio requests you to enter the position data manually. 
•  This request is repeated every 4 hours if you do not enter the position data manually. 
After you have entered the position data manually, you must update it within 23.5 hours 
otherwise the NO GPS alert sequence repeats.
•  The NO GPS warning will be shown whenever GPS data is not available from an operational 
GPS navigation receiver.  
Lowrance - Link-8 Operation Instructions
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