IFR FM/AM-1200A Operation Manual page 197

5-14-6a Flash Hook Test
Complete
STEP
the Flash Hook Test by the following steps:
PROCEDURE
1 .
Complete procedures 5-14-2 thru 5-14-6 as applicable.
2. Press the "SEND" button (or its equivalent) on the UUT. UUT will
respond with a 400 msec Signal Tone and
will appear on the VFD (371.
3.
To return to the Cell Test procedure.
press:~~~
5-14-7 Check Voice Deviation Duri:Jg Manual Cellular Test
To check Voice Deviation during a Manual Cellular Test, complete the
following steps:
STEP PROCEDURE
1. Complete Procedures 5-14-2 thru 5-14-6a as applicable.
2. Turn Scope Vertical Control (241 to 5 KHz/%x10.
3. Turn HORIZONTAL Sweep Selector Control (261 to 1 ms/DIV.
4. Place 1 KHz TONE GENERATOR Switch (71 to SPKR.
5. Turn VOLUME Control fully CCW.
!NOTE\
Unmute UUT Mi c if not already unmuted.
6. Hold UUT Handset close to the FM/AM-12005 speaker and turn the
1KHz TONE GENERATOR Tone Level Control (8) cw and read the
deviation on U1e oscilloscope CRT display (311.
5-76
06
The SAT deviation is also present in this reading.
Low level feedback may occur when the UUT Handset
is held very close to the FM/AM-12UOS Speaker.