49
Changing the Channel Steps
The synthesizer of the FTA- 850L provides the option
of utilizing channel steps of 8.33/25 kHz per step.
The FTA- 850L are set up with default channel steps of
25 kHz (NAV and COM bands). If you need to change
the channel step increments, select “8.33kHz” on the
item “FREQUENCY STEP” of the COMM Setup menu
in the SETUP mode.
Notes:
The 8.33 kHz steps are available in the COM Band only.
When you set the channel step to 8.33 kHz, the
channel display differs from actual operating
frequency; see the chart below. However, the
operator (pilot, tower, control, etc.) will call out the
frequency according to what the display indicates.
Operating Frequency
Display
8.33 kHz Step 25 kHz Step
1xx.0000 MHz 1xx.005 1xx.000
1xx.0083 MHz 1xx.010
1xx.0166 MHz 1xx.015
1xx.0250 MHz 1xx.030 1xx.025
1xx.0333 MHz 1xx.035
1xx.0416 MHz 1xx.040
1xx.0500 MHz 1xx.055 1xx.050
1xx.0583 MHz 1xx.060
1xx.0666 MHz 1xx.065
1xx.0750 MHz 1xx.080 1xx.075
1xx.0833 MHz 1xx.085
1xx.0916 MHz 1xx.090
The adjacent channel selectivity will be slightly de-
graded while receiving using 8.33 kHz channel .
ANL Feature
For reduction of impulse noise, such as that produced
by an engine’s ignition system, the ANL (Automatic
Noise Limiter) feature may prove helpful.
To activate the ANL, select “ON” on the item “ANL” of
the COMM Setup menu in the SETUP mode.
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