TB 9-6625-2021-24
A 31R9
A 32R6
A 28R7
A 28TP2
A 31TP2
A 29R5
A 31TP3
A 29TP2
A 32TP1
A 32TP2
A 31R2
A 32R3
A 33R8
OSCILLA TOR
A 33TP1
FREQ A DJ
A 17A 1R11
A 17A 1R22
A 3R10
FRONT PA NEL
Figure 1. Test instrument - top view.
9. Self-Check
a. Performance Check
(1) Set RANGE switch to CHK and press and release RESET switch. TI display
will initially be all zeros and then 10.000000 MHz 1 count; the DIR (direct) annunciator
will light and the GATE annunciator should be flashing.
(2) Press RESOLUTION Hz pushbutton to positions listed in table 3. TI display
will be as specified.
Table 3. Self-Check
RESOLUTION Hz
Display
1 count
pushbutton positions
10
Hz
10.00000 MHz
100
Hz
10.0000 MHz
1
kHz
10.000
MHz
10
kHz
10.00
MHz
100
kHz
10.0
MHz
1
MHz
.010
GHz
b. Adjustments. No adjustments can be made.