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3.4  General Radar Operation
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3.4.13  Hide Graphics Information on Radar Display (Data Off) 
 
Various graphics information such as target tracking (TT) / AIS symbols, NAV lines, and MAP 
information is shown of the display of this radar system, and may make it difficult to view the radar 
video.    In that case, use this function to temporarily hide unnecessary graphics information. 
 
 
 Procedures   1  Put the cursor on graphic display Off    Data Off    (lower right on the 
display  ⑤ on page 2-21), and press the [ENT] key. 
 
While the key is pressed, graphics data other than VRM, EBL, HL, cursor mark, and 
range rings of the display is temporarily hidden. 
 
 
 
3.4.14  Switch Day / Night Mode [DAY / NIGHT] 
 
Several combinations of the display color and brilliance according to the ambient lighting conditions 
are provided.    The display color setting is easily changed. 
 
 
 Procedures   1  Press the [DAY / NIGHT] key. 
 
The Day / Night modes are switched. 
 
 Day1  ⇒ Day2  ⇒ Day3  ⇒ Dusk  ⇒ Night  ⇒ Dusk  ⇒ 
 Day3  ⇒ Day2  ⇒ Day1 
 
The current mode is displayed in the Day / Night mode switching (brilliance / Alarm 
⑤ on page 2-28). 
For how to set the display color and brilliance for each mode, see Section 3.8.6. 
 
 
 
3.4.15  Adjust Operation Panel Brilliance [PANEL] 
 
Adjust brilliance of the operation panel according to the ambient lighting conditions. 
 
 
 Procedures   1  Press the [PANEL] key. 
 
In consideration of the ambient brightness, adjust panel brilliance that is high enough 
to read the characters on the operation panel but does not glare. 
The [PANEL] key lamp lights up irrespective of panel brilliance adjustment.