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  TM 11-6625-539-14-4
Control settings
Step
Performance standard
Test Procedures
Equipment
No.
Test
under test
equipment
1
N/A
Controls may be set
a. Inspect all parts for loose
a. All screws and nuts must be
in any position.
mounting and missing screws
tight with none missing.
and nuts.
b. Meter must he in good condi-
b. Inspect meter for binding of
movement, damaged glass,
tion with legible dial and free
and illegible dial.
movement.
c. Check to see that all parts
c. All items comprising operable
listed in paragraph 1-11 are
equipment must be present,
present.
2
N/A
Set controls as indi-
a. Rotary switches rotate with-
a. Check operation of all rotary
cated.
switches, rotating them to all
out catching, lock positively
positions.
in each position, and operate
through the full operating
range.
b. Toggle switches operate
b. Operate toggle switches to
down position and release.
smoothly and return to up
position when toggles are re-
leased.
c. Knobs rotate freely through
C.
Operate variable resistor con.
full operating range without
trols in full operating ranges.
catching or binding.
--
b. Test Connections and Conditions. Cover re-
moved from case of test set.
c. Procedure.
a. Test Equipment and Materials, None.
Control settings
Step
Performance standard
Text production
Equipment
No.
Test
under test
equipment
Pointer deflects to BAT CHK
1
N/A
Press and hold BAT
Check deflection of meter
position.
CHK switch to
pointer.
down position. Re-
maining controls
may be set to any
position.
7-16. Stability Test
b. Test Connections and Conditions. As indi-
cated below.
a. Test Equipment and Materials. Any good PNP
c. Procedure.
or NPN transistor.
Control settings
Sep
Performance standard
Test procedures
Equipment
Test
No.
under test
equipment
Meter must deflect.
Insert transistor into test
POLARITY switch:
1
N/A
socket on panel.
PNP or NPN as
applicable.
FUNCTION switch:
BETA.
a. Record deflection indicated
a. Meter indicates on-scale de-
RANGE switch: ad-
2
on beta scale.
flection.
just to provide on-
b. Allow condition to remain for
b. Beta indication must not
scale needle deflec-
full minute.
drift more than 3 percent of
tion.
full-scale deflection.
7-10
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