TM 11-5840-360-14-1-1
In multiple indicator systems, the receiver
9. Turn the master indicator(s) POWER switch to
transmitters are controlled from the master indicator
ST BY. Observe that the lamp located near the
while the controls at the slave indicators affect only their
POWER switch flashes slowly after approximately 10
display parameters (intensity, contrast, etc.) for that
seconds (a similar lamp within the receiver transmitter
indicator, refer to paragraph 3.3.5 for definition of
also flashes)
effectivity of the slave Indicator operating controls.
10. Turn the POWER switch to TX ON. After a 3.5-
minute delay verify. (1) The antenna rotates. (2) The
Master/slave status of the indicators in a
lamp near the POWER switch glows steadily. (3) The
multiple indicator system is determined by the settings
parallel-connected lamp within the receiver transmitter
of the switching units; see Tables 3-1 for (V2), 3-2 for
also glows steadily.
(V3), or 3-3 for (V4).
NOTE:
NOTE:
If the lamps resume flashing rapidly
at any time during operation, a
The North Stabilization Circuits
system fault is indicated.
contained in the SPS-64 Indicators
lose synchronism with the ship's
3.5.4 Shut-down Procedure (V4)
compass
whenever
the
individual indicator POWER switches
1. Set all the indicator POWER switches to OFF.
are set to OFF. When an indicator is
turned on, the NSK circuits must be
2. If it is anticipated that the equipment will remain
aligned per paragraph 3.8.2, Steps 25
off for an extended period, then set the POWER
through 30.
switches of the following units to OFF:
3.7 OPERATING CONTROLS
Amplifier Generator AM-6933
Signal Data Converter CV-3442
briefly describes their function.
3.5.5 Indicator Operation (V4)
Detailed functions of the controls are specified
in paragraphs 3.7.1 through 3.7.23.
3.5.5.1
Master Indicator (V2, V3 and V4).
The
procedure for the operation of the master indicator is
3.7.1 POWER Switch
specified in paragraphs 3.8 through 3.11.
This is the main power control switch. In the
3.5.5.2 Slave Indicators (V2, V3, and V4). The
OFF position, the radar is shut down. In the ST BY
procedure for the operation of the slave indicators is
(standby) position, the transmit indicator blinks and the
specified in paragraph 3.3.3.2.
radar system is ready for operation after a warm-up
period of approximately 3.5 minutes. In the TX ON
SECTION II: INDICATOR OPERATION
position, the radar is fully operational. The PERF
position activates the performance monitor.
3.6 GENERAL
Turn-on and turn-off procedures are given at the
system level as referenced in paragraphs 3.2 for (V1),
3-8
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