2.2    FUNCTIONS OF SOFTWARE BUTTONS 
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2.3.1    Software Buttons for Area 1 (Top-Left Corner of the Radar 
Display) 
 
 
6
+
-
Rings  1NM
RM(R) H  UP
Off  Center
Transmit
GND
HDG
Compass
000
01
320
330
340
350
000.0
X-BAND
Master
MP
 
 
Range scale switching 
To increase the observation range scale 
(maximum 96NM), click   +    and to reduce the 
range (minimum 0.125NM), click    - . 
 
Range rings display On / Off 
The display of range rings are set to On / Off 
whenever this button is clicked. 
When the display is set to On, the interval of the 
fixed range marker is displayed. 
 
Motion mode true / relative 
switching 
The screen motion mode is switched whenever 
the button is clicked. 
 TM  (true motion)  RM  (relative motion) 
  TM 
 RM(R)  indicates that the radar trails is a 
relative trail. 
 RM(T)   indicates that the radar trails is a true 
trail. 
Off center switching 
If this button is clicked, the cursor is moved, and 
the [ENT] key is pressed, the ship's position can 
be moved to the cursor position. The moving 
range is within 66% of the radius. 
If the button is clicked for 2 seconds, the 
off-center is set to Off and the ship's position is 
returned to the center of the screen. 
 
Transmission / standby switching 
At expiration of the pre-heat time after the power 
is turned on,    Preheat    changes to    Standby . 
 Standby  :  Indicates a standby state. If this 
button is clicked in this state, the 
equipment is set to a transmission 
state. 
 Transmit  : Indicates a transmission state. If 
this button is clicked in this state, 
the equipment is set to a standby 
state. 
Interswitch connection change 
This button is displayed when the interswitch is 
connected. This button indicates the connection 
status of the scanner unit that is connected to the 
indicator. 
If the button is clicked in the transmission standby 
state, the menu for changing the connection state 
between the scanner unit and the indicator is 
displayed. The connection state of the scanner 
unit and indicator cannot be changed unless the 
master indicator is in a standby state.   
o Refer to the Interswitch (Optional) 
Instruction Manual that is attached for the 
setting method. This button is not displayed 
if the interswitch is not connected. 
 
Transmission pulse length 
switching 
The transmission pulse length is switched 
whenever this button is clicked. Three types of 
pulses are available, short pulse (SP), middle 
pulse (MP), and long pulse (LP). The pulse length 
and repetition frequency vary even for the same 
short pulse, according to the range that is used and 
it is displayed as    SP1    ,    SP2 .