VX-170 OPERATING MANUAL64
In many areas of the world, channel congestion has required that operating channels be
closely spaced. In such operating environments, it often is required that operators use
reduced deviation levels, so as to reduce the potential for interference to users on adjacent
channels. The VX-170 includes a simple method of accomplishing this:
1. Press the
[
F
]
key, then press the
[
0
(
SET
)]
key to enter the Set mode.
2. Rotate the DIAL knob to select Set Mode Item 51:
WID.NARWID.NAR
WID.NARWID.NAR
WID.NAR.
3. Press the
[
F
]
key momentarily to enable adjustment of this Set
Mode Item.
4. Rotate the DIAL knob to set this Set Mode Item to “
NARROWNARROW
NARROWNARROW
NARROW.”
In this configuration (HALF DEVIATION active), the
transmitter’s deviation will be approximately ±2.5 kHz, and the
received audio output level will be increased, for easier listen-
ing on the narrow signal.
5. When you have made your selection, press the PTT switch to
save the new setting and exit to normal operation.
The “normal” setting for the deviation (when this Menu Item is set to WIDE) is ±5 kHz.
In the event of erratic operation of the transceiver, it is possible that data on the micropro-
cessor may have become corrupted. While this is a highly unusual situation, the only path
MISCELLANEOUS SETTINGS
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