TB 9-6625-2322-24
(d) Frequency Control, F0, Edit F0, 5, and GHz.
(e) OUTPUT on.
(f) Modulation, FM, More, Locked, Previous Menu.
(g) Edit Dev, ., 2, 4, 0, MHz, Edit Dev.
(h) Mod Wave, arrow key to ~, Select, Previous Menu.
(i) Edit Rate, 1, 0, 0, kHz, Edit Rate.
On/Off to on.
(j)
(4) Verify that the measuring receiver indication is within the 240 kHz FM locked
limits listed in table 12.
(5) Set audio analyzer controls as listed in (a) through (d) below.
(a) PRGM 99 ENTER RCL.
(b) 600
output.
(c) SOURCE FREQ to 25 kHz.
(d) SOURCE LEVEL to 1 V.
(6) Press TI keys as listed in (a) through (f) below.
(a) On/Off to off.
(b) More, Int/Ext to Ext.
(c) Front/Rear to front.
(d) 600 /50
to 600 .
(e) Edit Sens, 1, 0, 0, kHz.
(f) On/Off to on.
(7) Set the measuring receiver to FM Ratio in mode.
(8) Set the audio analyzer to the remaining frequencies listed in table 12 and verify
that the measuring receiver indicates within limits listed in table 12.
Table 12. FM Deviation Locked and Response
Measuring receiver
Audio analyzer
indication
Test
output frequency
description
(Hz)
Min
Max
240 kHz FM locked
228.00 kHz
252.00 kHz
25 kHz Reference
25000
----
----
3 kHz Response
3000
-1 dB
1 dB
10 kHz Response
10000
-1 dB
1 dB
20 kHz Response
20000
-1 dB
1 dB
30 kHz Response
30000
-1 dB
1 dB
40 kHz Response
40000
-1 dB
1 dB
50 kHz Response
50000
-1 db
1 dB
18
