IFR FM/AM-1200A Operation Manual page 44

Communications service monitor
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[NOTE\
To monitor tone, select ''SPKR'' with VAR Tone
Selector Switch (5) and adjust VAR Tone Level
Control (6) to a comfortable listening level.
If no key is depressed after approximately 6
seconds, selection will default to the RF
function.
Operator's Choice: Selected number character will be displayed, in pro-
0 thru 9
gression, on VFD (37).
[NOTE\
While each number key is depressed, its assigned
tone will he generated and the selected charac-
ters will appear, in order of selection, on VFD
(37).
To terminate a completed entry, depress
the "ENTER" Key.
EXAMPLE:
Direct TONE Entry
I<EY ENTRY
VFD (37) INDICATES
WAVE SHAPE
FIELD FLASHING
EXAMPLE:
Wave Shape Selection
To change wave shape, use+ Key to move cursor to the right until wave-
form title flashes.
Use the
t
or
+
Keys to change wave shape.
(See example on following page for sample wave shapes.)
4-3
02

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