JRC JMA-993-SA Instruction Manual page 286

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Adjustment of Inter switch
[Checking after lnstallationl
Turn off lhe ship's mains (switch board) for the radar equipment.
(1 ) Check that the InterSwitch is installed properly after completion of the inslallation.
In particular, check if the cable is connected correctly and if the shield meshwork of the
cable is grounded properly.
(2) Check that the internal settings in each Display Unit are made adequately.
[Checking the lnterSwitch Operation]
Turn on the ship's mains (switch board) for the radar equipment.
(1) Ghecking InterSwitch Pafterns.
6 lnterSwitch patterns are available for 2-units of radar system, and 12
patterns are available for 3-units of radar system.
For the checking procedures, refer to the lnstruction Manual for InterSwitch Kit as
attached hereto.
(2) Checking and adjusting Radar Video
The radar system with the built-in InterSwitch kit shall be adjusted in the following three
parameters:
. Range adjustment (0 NM adjustment)
. Bearing adjustment
. Rough tuning adjustment
These types of adjustment shall be made for each InterSwitch pattem as follows:
2-units system -. . . . .-l-trto.i-l anO
3-unitssystem
.'.....fllo.Tl ,lNtt-l ,l-No3l ano lErzl .
For the method of adjustment, refer to the respective adjuslment procedures.
Note: Each adjustment should be performed swiftly after the InterSwitch is equipped.
These adjustments should be performed on the pafterns specified according to the
radar quantity of the system.
lf the patterns are switched without adjustments and the radar is used, accurate
information cannot be obtained from the radar.
o
6j
l3-units Systeml
a. Pattern NtTl
a. Pattern I No--Tl
O Adjustment between the Display Unit (right) and the MTR (right). (Adjust by operating
the panel of the Display Unit (right))
@ Adjustment between the Display Unit (left) and the MTR (left). (Adjust by operating the
panel of the Display Unit (left))
lnterSwitch
(Adjust by operating the
(Adjust by operating the
b. Pattem IT;n
Adjustment between the Display Unit (right) and the MTR (left).
panel of the Display Unit (right))
Adjustment between the Display Unit (left) and the MTR (right).
panel of the Display Unit (left))
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