JRC JMA-5206 Instruction Manual page 353

Sector Blank Function (Sector Blank)
Set a sector range, preventing displaying the radar echo only within the area. Three types of sector can be
created.
[I] Turning ON/OFF the Sector function (Sector 1, 2 and 3)
Procedures 1 Open the Equipment Setup Menu.
2 Press [7] key.
The Sector Blank Menu will appear.
3 Select the number you want to excuted
sector blank, Pressing the numeric
keys [1] to [3].
Switching between ON and OFF is done each
time the key is pressed.
ON:
OFF: Cancel
Exit 1 Press [RADAR MENU] key.
The Main Menu will reappear.
Note: This function can be performed only when the scanner
is connected to NKE-2252.
Execution of sector blank
8─52
8.5 Adjustments
Sector Blank
1. Sector 1
ON
2. Sector2
ON
3. Sector3
ON
4. Make Sector 1
5. Make Sector 2
6. Make Sector 3
7. ENT
0. EXIT
8