2.2    FUNCTIONS OF SOFTWARE BUTTONS 
2ņ8 
2 
 
 
y y 
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 .