3-15  Section 3 Common Basic Operations 
 
 
 
APP A 
APP B 
 
3.8  Switching the Day/Night Mode   
 
 
Change of the colour of the Day/Night button, particularly the use of the [Night] 
colour, may interfere with the recognition of display information. Confirm display 
information can be recognised. 
The screen display colour can be switched to any of five levels according to the brightness within the 
bridge. Use the following procedure for switching. 
1  Click on the [Day/Night] button on the right toolbar. 
 
Adjustment buttons are displayed based on the brightness that is currently set. 
  Example: Day2 is set. 
2 
Adjust the brightness by using the   [Light] button and the
 
[Dark] button. 
Whenever the
 
[Light] button is clicked on, the brightness increases by one level from the 
current level.   
When the   [Dark] button is clicked on, the brightness decreases by one level from the 
current level. 
 
 
Relationship between the day/night mode and the screen/operation section 
brightness setting value 
When the day/night mode is changed, the screen/operation section brightness is set to the following 
values. 
 
Screen 
brightness 
Day1, Day2, Day3: 67/100 
Dusk: 60/100 
Day1, Day2, Day3: 70/100 
Dusk: 62/100 
Operation unit 
Day1: Level4 / Day2: Level3 / Day3: Level2 / Dusk, Nigh: Level1