TM 11-5840-281-35/1
Control settings
Step No.
Test equipment
Equipment under test
Test procedure
Performance standard
b.
Connect test lead between
b.
None
switch to OPERATE
C-6988/TPN-18 and
ANGLE VOLTS testpoint
position.
Pulse Generator
TP1102 on Pulse Generator
RANGE: 50
O-1333/TPN-18 in Control-
O-1333/TPN-18
NULL: VTVM, 10 to
Indicator C-6988/TPN-18
TRANSMITTER: OFF
.
.1 in progressive steps.
under test and positive (+)
POWER: ON
A: 1
terminal on differential volt-
SCAN MODE: NORM
B: 0
meter.
SCAN: OFF
C: 0
c.
c.
On Pulse Generator 0-1333/
+10v on differential
VIDEO GAIN: Normal
D: 0
TPN-18 under test, adjust
operating level.
E: 0
ANGLE VOLTS control for
Control-Indicator
Polarity: +
+10v indication on differential
C-6988/TPN-18 and
voltmeter, while placing NULL
Pulse Generator
switch on differential volt-
0-1333/TPN-18
meter from 10 to 1, and from
under test
1 to .1.
ANGLE VOLTS switch:
d.
d.
Observe setting of ANGLE
494 min, 506 max.
EL
VOLTS control dial.
ANGLE VOLTS control:
NOTE. In performing the re-
500
VIDEO GAIN: Normal
maining steps of this test proce-
operating level.
dure, disconnect differential volt-
meter positive (+) test lead after
performing each step. Set next
step test equipment controls and
equipment under test switches as
specified. Reset differential volt-
meter NULL control to VTVM
and reconnect differential volt-
meter position (+) test lead to
ANGLE VOLTS testpoint TP1102
on top deck of Pulse-Generator
O-1333/TPN-18.
2
As last indicated,
As last indicated, except:
a.
a.
On Pulse Generator 0-1333/
+7v on differential
except:
Pulse Generator
TPN-18 under test, adjust
A: 0
0-1333/ TPN-18
ANGLE VOLTS control for
B: 7
under test
+7v indication on differential
C: 0
ANGLE VOLTS
voltmeter as NULL switch
D: 0
control: 350
on differential voltmeter is
E: 0
placed from 10 to 1 and from
1 to .1.
b.
b.
Observe setting of ANGLE
344 min, 356 max.
VOLTS control dial.
As last indicated, except:
a.
a.
Pulse Generator O-133/TPN-18
+4v on differential
3
As last indicated,
Pulse Generator
under test, adjust ANGLE
voltmeter.
except:
0-1333/ TPN-18
VOLTS control for +4v
Differential voltmeter
under test
indication on differential
A: 0
ANGLE VOLTS
voltmeter as NULL switch on
B: 4
control: 200
differential voltmeter is
C: 0
placed from 10 to 1 and from
D: 0
1 to .1.
E: 0
b.
b.
Observe setting of ANGLE
194 min, 206 max.
VOLTS control dial.
As last indicated, except:
a.
Pulse Generator 0-1333/
a.
+2v on differential
Pulse Generator
TPN-18 under test, adjust
voltmeter.
4
As last indicated,
0-1333/TPN-18
ANGLE VOLTS control for
except:
under test
+2v indication on differential
Differential voltmeter
ANGLE VOLTS
voltmeter as NULL switch
RANGE: 5
control: 100
is placed from 10 to 1 and from
A: 2
1 to .1.
B: 0
b.
b.
Observe setting of ANGLE
94 min, 106 max.
C: 0
VOLTS control dial
D: 0
.
E: 0
4-41
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