VXA-300 PILOT III OPERATING MANUAL
21
ADVANCED OPERATION
Changing the Channel Steps
The VXA-300’s synthesizer provides the option of utiliz-
ing channel steps of 8.33/25 kHz per step.
The VXA-300 is set up with default channel steps of “25
kHz” (NAV and COM bands). If you need to change the
channel step increments, the procedure to do so is very
easy.
First set the VXA-300 to the operating band (VFO A
or VFO B and NAV or COM) on which you wish to
change the channel steps.
Press the
[
F
]
key, then press the VOLUME knob to
activate the Menu (“SET”) mode.
Rotate the DIAL selector knob
to select Menu Item 30
“STEP.”
Press the VOLUME knob to
enable adjustment of this Menu item.
Rotate the DIAL selector knob to select the new chan-
nel step size.
When you have made your selection, press the VOL-
UME knob to save the new setting, and then press the
PTT key to exit to normal operation.
Important Note
1) 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, con-
trol, etc) will call out the frequency according to what
the display indicates.
When you set the channel
steps to 8.33 kHz, the “ ”
icon will appear in the display.
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
8.33 kHz Step
1xx.005 MHz
1xx.010 MHz
1xx.015 MHz
1xx.030 MHz
1xx.035 MHz
1xx.040 MHz
1xx.055 MHz
1xx.060 MHz
1xx.065 MHz
1xx.080 MHz
1xx.085 MHz
1xx.090 MHz
25 kHz Step
1xx.000 MHz
1xx.025 MHz
1xx.050 MHz
1xx.075 MHz
Display
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 de-
graded while receiving using 8.33 kHz channel steps.
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