TB 9-6625-2009-35
(g) SWEEP MODE MANUAL VERNIER control fully cw. Frequency counter
will indicate between 998.98 and 1001.02 kHz.
(4) Repeat technique of (3) (d) through (g) above for FREQ SPAN/DIV control
positions listed in table 4. Frequency counter will indicate within limits specified.
(5) Disconnect and remove frequency counter from equipment setup.
Frequency counter indications (kHz)
Test instrument FREQ
SPAN/DIV control positions
Min
Max
2
Hz
1001.96
1002.04
50
Hz
1004.90
1005.10
0.1
kHz
1009.80
1010.20
0.2
kHz
1019.60
1020.40
0.5
kHz
1049.00
1051.00
1
kHz
1098.00
1102.00
2
kHz
1196.00
1204.00
b. Adjustments. No adjustments can be made.
11. Log Sweep
a. Performance Check
(1) Position controls as listed in (a) through (g) below:
(a) INPUT SENSITIVITY switch to CAL.
(b) RESOLUTION BANDWIDTH control to 30 Hz.
(c) SWEEP MODE switch to LOG ZERO.
(d) DISPLAY CLEAR WRITE pushbutton pressed.
(e) ZERO CAL control for a maximum indication on far left graticule on TI display.
(f) RESOLUTION BANDWIDTH control to 300 Hz.
(g) SWEEP MODE switch to LOG.
(2) Allow time for three complete sweeps. The 20 kHz (1st) harmonic of CAL signal
will be within 1 minor division of 20 kHz LOG SWEEP graticule (10th vertical line from left).
b. Adjustments. No adjustments can be made.
12. Bandwidth Switching
a. Performance Check
(1) Position controls as listed in (a) through (g) below:
(a) AMPLITUDE MODE LOG 1 dB/DIV pushbutton pressed.
(b) INPUT SENSITIVITY switch to 0 (zero) dBv.
(c) FREQUENCY control to 10.0 kHz.
