TM 11-5840-360-14-1-1
3.5.1 Operating Modes (V4)
7. Set the HD UP/GYRO STAB/HDG SET switch
to HD UP.
Ten (10) operating modes are available for
8. Set the OFFSET switch up (away from
Radar Set AN/SPS-64(V)4. Mode selection is made
operator).
using two (2) Switching Units, SA-2139.
9. Turn the POWER switch to ST BY. Observe
that the lamp located near the POWER switch flashes
to establish the desired modes and the system
after approximately 10 seconds (a similar lamp within
configuration for each mode.
the receiver transmitter also flashes).
Only the IP-1282 and IP-1283 indicators (A, B,
10. Turn the POWER switch to TX ON. Observe
and C), can function as master indicators. Operating
the following: (1) The lamp near the POWER switch
modes DS-7 through DS-10 provide for Dual master
glows steadily if the 3.5 minute time delay (measured
indicator operation. In any one of these modes, one
from the time the POWER switch was turned from OFF
master indicator controls the X-band receiver transmitter
to ST BY) has expired. (2) The parallel-connected lamp
and antenna while the other master indicator controls
within the receiver transmitter will also glow steadily. (3)
the S-band receiver transmitter and antenna.
The antenna rotates.
This version of the .Radar Set, AN/SPS-64(V)4
includes an S-band receiver transmitter (RT-1241) with
NOTE:
a peak power of 50 kW, enabling improved all weather
If the lamps resume flashing at any
performance. During inclement weather, the use of S-
time during operation, a system fault
band equipment is recommended.
is indicated.
3.5.2 Pre-Operating Conditions (V4)
3.4.4 Shut-down Procedure (V3)
Verify the following control or switch settings:
Equipment
Control/Switch
Position
1. Set all indicator POWER switches to OFF.
RT-1240
LOCAL GAIN
Fully CCW
2. Set POWER switches to OFF on both Video
CONTROL
Amplifiers AM-6932.
LOCAL MTR
OFF
TEST
3.4.5 Indicator Operation (V3)
ANTENNA
ON
AB-1247A
ON/OFF Safety
ON
3.4.5.1 Master Indicator (V2, V3, V4). - The procedure
Switch
for the master indicator operation is specified in
AM-6932
Internal POWER
ON
Switch
3.4.5.2 Slave Indicators (V2, V3, V4). - The procedure
for the slave indicator operation is specified in
3.5 RADAR SET AN/SPS-64(V)4 OPERATION
3-6
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