Furuno 511 Manual De Usuario

2. BASIC OPERATION 

The brilliance and contrast can be adjusted as below: 
 
1.  Press the [TURN/MENU] key twice to show the main menu. 

MESSAGE

CONTRAST/BRILLIANCE
ALARM SETUP
PARAMETER SETUP
SYSTEM SETUP
TEST: OFF
SYSTEM DATA

2.  Rotate the course control knob to choose “CONTRAST/BRILLIANCE”, and 

then press it. 

The CONTRAST/BRILIANCE window appears. 

PUSH MENU KEY TO RETURN 
TO PREVIOUS MENU

3.  Rotate the course control knob to adjust display contrast; clockwise to raise 

the contrast and counter-clockwise to lower it. (16 levels are available.) 

4.  Press the [PORT] or [STBD] key to adjust display brilliance, [PORT] to lower 

the brilliance and [STBD] to raise it. (Eight levels are available.) 

 
To close the CONTRAST and BRILL window, press the [TURN/MENU] key 
twice.