TM 9-9435-481-14-2
C3
Table 3-11. DMS-D Performance Test-Continued
Table 3-11. DMS-D Performance Test-Continued
STEP
UNIT
PROCEDURE CORRECTIVE ACTION
STEP
UNIT
PROCEDURE CORRECTIVE ACTION
Pulse Amplitude
642
DMM
Observe a reading of +0.4975 to +0.5025 Vdc.
(84)
628
PPE
FUNCTION TEST switch to PULSE READ.
629
MCP
SELECTOR A switch to I-24.
643
PPE
SEQUENCE switch to ALIGN 2.
630
VWS
Adjust AMPT(VOLTS) control fully ccw.
644
DMM
Observe a reading of -0.4975 to -0.5025 Vdc.
631
PPE
Momentarily actuate TEST START switch.
(85)
632
DMM
Observe a reading of -0.0200 to +0.0200 Vdc.
(80)
HorizontalWire, Automatic
633
VWS
Adjust AMPT(VOLTS) control fully cw.
645
Return all switches to the initial switch settings, leaving the
634
PPE
Momentarily actuate TEST START switch.
MAIN POWER and DMS switches ON. Reset the COMPARATOR THRESHOLD
635
DMH
Observe a reading of +10.40 to +10.60 Vdc.
(81)
646
ITP
INTERNAL TEST switch to 1.
647
CIP
COUNTER INHIBIT(SEC) dial to 00.34.
648
CIP
RUN/HOLD/OFF switch to RUN.
Wire Clamp
649
MCP
SELECTOR A switch to F4.
636
PPE
FUNCTION TEST switch to INT-CLK.
650
PPE
FUNCTION TEST switch to INT-CLK.
637
VWS
+DC/PULSE/-DC switch to +DC.
651
PPE
SEQUENCE switch to AUTO 2.
638
DMM
Observe a reading of +1.030 to +1.070 Vdc.
652
PPE
Momentarily actuate TEST START switch.
(82)
NOTE
639
VWIS
+DC/PULSE/-DC switch to -DC.
In steps 654 through 773 observe the INHIB lamp illuminated prior to
640
DMM
Observe a reading of -1.030 to -1.070 Vdc.
observing the reading.
(83)
653
ITP
Set INTERNAL TEST switch to the positions indicated. Then set
CIP
DMM
RUN/HOLD/OFF switch to HOLD, the COUNTER INHIBIT(SEC) dial to
CalibrationVoltage
the positions indicated, the RUN/HOLD/OFF switch to RUN and
641
PPE
SEQUENCE switch to ALIGN 1.
observe the DMM reading for each series of switch settings.
3-99