TB 9-6625-1966-24
37. Model 3305A Adjustments
a. Performance Check
(1) Connect multimeter between test points and circuit ground as listed in table 10.
If multimeter does not indicate within limits specified, perform corresponding adjustment.
Table 10. Model 3305A Adjustments
Test instrument
Multimeter adjustment limits(V)
Test points (fig. 7)
Adjustment (fig. 7)
Min
Max
A8TP1
A8R15
23.999
24.001
A8TP2
A8R25
-23.999
-24.001
A2TP11
A2R15
-0.005
+0.005
A4TP1
A4R18
-0.005
+0.005
A5TP12
A5R17
-0.005
+0.005
A5TP43
A5R2
19.990
20.010
A5TP34
A5R27
-0.490
-0.500
A5TP4
A5R25
0.1966
0.1986
A6TP1
A6R18
-4.1755
-4.1765
A6TP2
A6R38
-3.9995
-4.0005
A5TP15
A7R17
4.1755
4.1765
1Set
SWEEP MODE switch to MANUAL and turn MAN. START/MAN.STOP control fully ccw.
2Set
FREQUENCY RANGE switch to X1 to X1K.
3Adjust MAN. START/MAN.STOP control to midrange switch point.
4Turn START control fully ccw and MAN. START/MAN.STOP control fully ccw.
5Set FREQUENCY RANGE switch to X10 to X10K.
(2) Connect frequency counter time interval unit to CHANNEL A OUTPUT.
(3) Set function generator function switch to SQUARE.
until T1 is equal to T2 (R).
b. Adjustments. No further adjustments can be made.
38. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
