TM 11-5840-360-14-1-1
n. PWR BOOST switch /5-8(146) / (3 mi
1. Set POWER switch to OFF at all indicators.
only)
2. At Switching Units, select DD-1 mode per Table
o. ANTI-CLUTTER RAIN control /5-8(43)/
NOTE:
p. ANTI-CLUTTER SEA control /5-8(146)/
For DD-1 mode (steps 4 through 11
q. EBL DIM/EBL READ control /5-8(105)/
below), the following definitions
r. EBL control /5-8(114)/
apply:
s. OFFSET control /5-8(136)/
a. Master indicator: Indicator A
9. Set master Indicator HDG SET/GYRO STAB/
b. Slave indicators: Indicators B, C (and D, if
HD UP switch to GYRO STAB and observe heading line
installed)
bearing. Adjust heading line to agree with ship's
c. Receiver Transmitter: MTR I
compass using HDG SET feature. Verify GYRO STAB
indicator (LED above CRT)-is lit and heading line
3. Set POWER switches to ON at Video Amplifier
follows ship's heading changes.
AM-6932 units No. 1 and No. 2.
/5-8(136)/
4. Set all Indicator POWER switches to ST BY;
verify the following at each Indicator:
10. Set master Indicator RANGE SELECT switch to
24 MILES. At Receiver Transmitter RT-1240, measure
a. Lamps on control panel, bearing scales
voltage indicative of magnetron current between TP7(+)
and plotter illuminate. /5-9(1) for faulty
and TPI0(-); correct voltage depends upon type of
Indicator/
magnetron installed as follows: /5-2(51)/
b. Status indicator (LED adjacent to POWER
switch) flashes slowly (approximately
MAGNETRON
VOLTAGE
once per second). /5-2 (1) /
5. Set master Indicator POWER switch to TX ON;
Raytheon
3.0 to 3.5 VDC
after 3.5-minute time delay, verify the following:
Toshiba
3.0 to 3.5 VDC
English Electric
3.5 to 4.0VDC
b. Status indicator glows steadily at each
11. At Receiver Transmitter RT-1240, measure
Indicator. /5-2 (22)./
crystal current of 23 + 5uA between TP10 (ground) and
6. Keeping the switches in step, set RANGE
both TP1 and TB2 on A1600 assembly. /5-2(53)/
SELECT switches of all Indicators to each of their
12. Set POWER switches to OFF at both indicators.
eleven positions in turn; verify the following at each
13. At Switching Unit, select DP-4 mode per Table
Indicator for each position:
a. Sweep present. /5-15(2)/
14. Repeat steps 4 through 11 above per the
b. Video targets displayed. /5-15(2)/
following definitions:
c. Range rings, electronic bearing line (EBL)
a. Master indicator: Indicator B
and heading line displayed. /5-8(4) for
b. Slave indicator: Indicator A
faulty Indicator/
c. Receiver Transmitter: MTR II
d. Correct range and range ring interval
15. Refer to Table 3-1; perform a through d
readout (LEDs above CRT). /5-8(65) for
following for each mode: /Para. 5-13/
faulty Indicator/
a. Set POWER switch to OFF at both
7. At master Indicator, rotate VRM handwheel two
Indicators.
turns clockwise; verify variable range marker displayed.
b. Select mode at Switching Unit per Table
8. At master Indicator, adjust each of the following
c. Set Indicator POWER switches as follows:
controls and verify proper response (per paragraph 3.7)
to each:
(1) Master: TX ON (2) Slave: ST BY d.
After 3-5-minute time delay, verify
a. ANTENNA ON/OFF switch /5-8(184)/
the following per Table 3-1:
b. TUNE control /5-8 (146)/
(1) Proper
Receiver
Transmitter
c. GAIN control /5-8(136)/
selection.
d. CONTRAST control /5-8 (55)/
(2) Proper
Indicator
master/slave
e. INTRF REJECT switch /5-8(136)/
selection.
f. PNL LIGHTS control /5-9(1)/
g. BRG SCALE control /5-9(1)/
5.8.2.3 AN/SPS-64 (V)3 System Performance Check. -
h. VRM intensity control /5-8(56)/
Perform the following steps in the sequence indicated:
i. READOUT control (VRM LED) /5-8(87)/
5-8
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