TM 11-5840-360-14-1-1
CHAPTER 3. OPERATION
SECTION I: SYSTEMS OPERATION
5. Turn the POWER switch to ST BY. Observe
3.1 GENERAL
that the lamp located near the POWER switch flashes
This chapter is divided into two sections: the
after approximately 10 seconds (a similar lamp within
first, Section I describes the systems operation; and
the MTR also flashes).
6. Turn the POWER switch to TX ON. Observe
Systems operation includes the turn-on
the following: (1) The lamp near the POWER switch
procedure, operating modes and shut-down procedures.
glows steadily if the 3.5-minute time delay (measured
Indicator operation covers the control adjustments,
from the time the POWER switch was turned from OFF
display interpretation, range/bearing measurements and
to ST BY) has expired. (2) The parallel-connected lamp
radar navigation.
within the receiver transmitter, will also glow steadily.
All slave indicators should be set to the same
(3) The antenna rotates.
range as the associated master indicator.
NOTE:
CAUTION
If the lamps resume flashing at any
TURN ALL INDICATORS TO STBY
time during operation, a system fault
BEFORE CHANGING THE SETTING
is indicated.
OF THE SWITCHING UNITS SA-2139
3.2.3 Shut-down Procedure (V1)
OR SA-2156.
Set all indicator POWER switches to OFF
The Mode Selection Nameplates are shown in
WARNING
VOLTAGE IS PRESENT WITHIN THE
3.2 RADAR SET AN/SPS-64(V) 1 OPERATION
VARIOUS UNITS WITH THE POWER
3.2.1 Pre-Operating Conditions (V1)
SWITCH IN ANY POSITION. DO NOT
Verify the following control or switch settings:
ATTEMPT
ANY
MAINTENANCE
Equipment
Control/Switch
Position
WITHIN THE UNITS UNLESS THE
RT-1240
LOCAL GAIN
Fully CCW
SHIP'S
POWER
DISCONNECT
CONTROL
SWITCH TO THE RADAR IS OPENED.
LOCAL MTR
OFF
3.2.4 Indicator Operation (V1)
TEST
Detailed procedures for operating the indicator
ON
are specified in paragraphs 3.8 thru 3.11.
AB-1247
ON/OFF Safety
ON
3.3 RADAR SET AN/SPS-64(V)2 OPERATION
Switch
3.3.1 Operating Modes (V2)
3.2.2 Turn-on Procedure (V1)
CAUTION
1. At the indicator turn the POWER switch to OFF.
THE POWER SWITCHES AT ALL
2. Turn
the
following
controls
fully
INDICATORS MUST BE SET TO THE
counterclockwise.
STBY
POSITION
BEFORE
VRM (inner knob)
CHANGING THE SETTING OF THE
GAIN
READOUT (outer knob)
SWITCHING UNIT SA-2156.
CONTRAST
ANTI-CLUTTER RAIN
The operating modes for V2 are selected using
PNL LIGHTS
ANTI-CLUTTER SEA
the Switching Unit SA-2156.
BRG SCALE
EBL DIM
RANGE RINGS
BRILLIANCE
(2) maintenance modes for options in system function.
3. Set the HD UP/GYRO STAB/HDG SET switch
Modes DP-1 thru DP-4 are operational modes; DP-5 and
to HD UP.
DP-6 provide one indicator as master for the operating
4. Set the OFFSET switch up (away from
receiver transmitter (MTR) while the other MTR and
operator).
indicator are in a maintenance mode.
3-1
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