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1.3 Selecting Range
The range selected automatically determines the
range ring interval and the number of range rings,
for optimal detection capability in short to long
ranges.
0.75NM
0.25
Range
Range
rings
Range
Range ring
interval
Figure 1-4 Location of range,
range ring interval
Procedure
Press the RANGE key at + or –. The range, range
ring interval appears at the top left corner of the
display.
1.1 Turning the Power On/Off
Turning on
Press the POWER key. The control panel lights
and a beep sounds.
Turning off
Press POWER and ST-BY/TX keys together.
1.2 Displaying Picture /
Stand-by
Displaying picture
After the power is turned on, ST-BY(Stand-By)
appears at the screen center.
Press the ST-BY/TX key to display echoes. This
unit displays echoes in eight intensities accord-
ing to echo strength.
Note: "BRG SIG MISSING" may momentarily
appear when the ST-BY/TX key is pressed just
after the display of ST-BY at power-up. This is
normal.
Stand-by
When you won’t be using the display monitor
for an extended period, but you want to keep it in
a state of readiness, place it in stand-by by press-
ing the ST BY/TX key. The display shows ST-BY.
Video lockup recovery
Video lockup or picture freeze, can occur unex-
pectedly on digital rasterscan radars. This is
mainly caused by heavy spike noise in the
power line, and can be noticed by carefully
watching the nearly invisible sweep line. If you
suspect that the picture is not updated every
scan of the antenna or no key entry is accepted
notwithstanding the apparently normal picture,
turn the power off and on.