TB 9-6625-1997-35
(a) FUNCTION switch to IF.
(b) IF OUTPUT switch to 1.0 VOLT.
(c) IF MHZ switch to 10.00.
(3) Adjust IF UV control for a 1.0 V indication on IF UV RF SET TO LINE
meter. If measuring receiver does not indicate within the limits shown in first row of
(4) Repeat technique of (2) and (3) above for switch settings listed in table 7. If
measuring receiver does not indicate within limits specified, perform b below.
Test instrument
Measuring receiver
IF MHZ
IF OUTPUT
switch
switch
Min
Max
10.00
1.0 VOLT
750 mV
1.25 V
100 KUV
75 mV
125 mV
10 KUV
7.5 mV
12.5 mV
b.
Adjustments
(1) Adjust IF UV control for a 1.000 V indication on measuring receiver.
(2) Adjust R69 ((IF METER CAL) located on lower right side) for a 1.0 indication
on IF UV RF SET TO LINE meter (R).
12. IF Output Frequency Accuracy
a. Performance Check
IF output.
(2) Set IF MHZ switch to 4.300 and IF OUTPUT switch to 1.0 VOLT.
(3) Adjust IF UV control for 1.0 indication on IF UV RF SET TO LINE meter.
Frequency counter will indicate within limits specified in first row of table 8.
(4) Repeat technique of (2) and (3) above for switch settings listed in table 8.
Frequency counter will indicate within limits specified.
10 CHANGE 1
