Raytheon Pathfinder 1200 Instruction Manual page 19

2.1.3
Operating Procedure
TO SWITCH ON
To switch on the radar, proceed as follows:
1) Set the OPERATE switch to STBY.
2) After READY light glows (approximately 90 seconds), set the OPERATE switch to
ON.
3) Set the CRT BRI LLiANCE switch so as to obtain desired brightness of the screen.
4) Set''range scale to the 4, 8 or 12 mile range.
5) Assure that RAIN CLUTTER, the IR switch, and SEA CLUTTER are OFF.
6) Adjust GAIN control to produce a light background speckle screen.
7) Adjust TUNING control for maximum echoes on the screen. If there is no target
available (that is, in the open sea) adjust
TUNING
for the maximum strength of
sea clutter.
8) Push RANGE switch of the scale you wish to cover.
9) RAIN CLUTTER if necessary, STC as necessary.
10) If necessary, press IR to reduce radar interference. When the radar is no longer re-
quired, set the OPERATE switch to OFF. If you want to keep the radar in a state of
immediate readiness, the OPERATE switch should be set to STBY position.
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