Section 5 Basic Operation of the Radar  5-28 
 
5.4.12  Hiding graphics information on radar display 
On the radar screen of this equipment, various types of graphics information such as TT/AIS symbol, 
user map, and chart information are displayed. When the visibility of the radar screen deteriorates due 
to excessive amount of graphic information displayed, the visibility of the screen can be improved by 
temporarily clearing the unnecessary graphic information by using this function. 
1  While the [Data Off] button on the toolbar is pressed down, graphic information other 
than TT and AIS of danger targets, radar images, radar trails, and cross-hairs cursor 
are hidden.   
When the button is released, graphics information is redisplayed. 
 
 
5.4.13  Setting true bearing 
When the GYRO I/F is used to enter a gyro signal, there is a rare case in which a true bearing value 
indicated by the master gyro does not match the true bearing value indicated by this equipment. 
In that case, adjust the true bearing value of this system so that it matches the value indicated by the 
master gyro. 
[Operation procedure] 
Open the gyro setting screen by performing the following operations. 
[Menu] button → Settings → General 
1  Select the [Gyro Setting] input box. 
2  Input a master gyro value on the software keyboard.