TB 9-6625-2323-35
(4) Verify that the measuring receiver indication is within 240 kHz FM locked
(5) Set audio analyzer controls as listed in (a) through (d) below.
(a)
PRGM 99 ENTER RCL.
600 Ω output.
(b)
(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)
(e)
Edit Sens, 1, 0, 0, kHz s Step.
(f)
On/Off to on.
(7) Set audio analyzer to measure level in dB mode and press RATIO on the
audio analyzer.
(8) Set the audio analyzer to remaining frequencies listed in table 14, and verify
that the audio analyzer indicates within limits listed in table 14.
Measuring receiver/audio analyzer
Audio analyzer
indication
Test
description
(Hz)
Min
Max
240 kHz FM Locked
228.00 kHz
252.00 kHz
25 kHz Reference
25000
-20
0.0
3 kHz Response
3000
-1
1
10 kHz Response
10000
-1
1
20 kHz Response
20000
-1
1
30 kHz Response
30000
-1
1
40 kHz Response
40000
-1
1
50 kHz Response
50000
-1
1
(9) Press TI keys as listed in (a) through (h) below.
(a)
On/Off to off.
(b)
More, Int/Ext to Int.
(c)
Front/Rear to front.
(d)
More, FM Modes, Locked, Previous Menu, Previous Menu.
(e)
Edit Dev., 2, 4, 0, kHz s Step, Edit Dev.
(f)
Mod Wave, arrow key to ~, Select, Previous Menu.
(g)
Edit Rate, 1, 0, kHz s Step, Edit Rate.
(h)
On/Off to on.
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