Changing The Channel Steps - Yaesu FTA-230 Operating Manual

Changing the Channel Steps

The FTA-230's synthesizer provides the option of uti-
lizing channel steps of 8.33/25 kHz per step (default: 25
kHz). If you need to change the channel step size, the
procedure to do so is very easy.
 First set the FTA-230 to the operating band (NAV
or COM) on which you wish to change the channel
steps.
 Press the [ F ] key mo-
mentarily, then press
t h e [ ( S E T ) ] k e y
to activate the Menu
("SET") mode.
 Rotate the DIAL selec-
tor knob to select Menu
Item "STEP."
 Press the [ ENT (
enable adjustment of this Menu
item.
 Rotate the DIAL selector knob to select the new
channel step size.
 When you have made your selection, press the
[ ENT ( )] key to save the new setting, and then
press the PTT key to exit to normal operation.
24
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dvanced
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peratIon
Important Note
1) When you select the channel step to 8.33 kHz, the
channel display differs from actual operating fre-
quency; see the chart below. However, the operator
(pilot, tower, control, etc) will call out the frequency
according to what the display indicates.
Operating
Frequency
1xx.0000 MHz
1xx.0083 MHz
1xx.0166 MHz
1xx.0250 MHz
1xx.0333 MHz
1xx.0416 MHz
1xx.0500 MHz
1xx.0583 MHz
1xx.0666 MHz
1xx.0750 MHz
1xx.0833 MHz
1xx.0916 MHz
2) The 8.33 kHz step allows the radio to receive only,
and the transmit function is disabled.
3) The adjacent channel selectivity will be slightly
degraded while receiving using 8.33 kHz channel
steps.
FTA-230 O
Display
8.33 kHz Step 25 kHz Step
1xx.005 MHz 1xx.000 MHz
1xx.010 MHz
1xx.015 MHz
1xx.030 MHz 1xx.025 MHz
1xx.035 MHz
1xx.040 MHz
1xx.055 MHz 1xx.050 MHz
1xx.060 MHz
1xx.065 MHz
1xx.080 MHz 1xx.075 MHz
1xx.085 MHz
1xx.090 MHz
M
perATing AnuAl