Kenwood TM-451A - Manual (Page 56)

SELECTING OFFSET DIRECTION AUTOMATIC TRANSMIT OFFSET
This function sets the transnnit frequency either higher
(+ ) or lower ( —) than the receive frequency by a fixed
amount. Refer to "SELECTING OFFSET VALUES
MANUALLY“ {page 50} to change the offset amount.
Press [SHIFT].
• The default is "simplex" (no offset).
• Each press of [SHIFT] changes the offset as follows;
TM-251A/E,
TM-451A
TM-451E
Simplex
t
->- +
Simplex
t
If the offset transmit frequency falls outside the transmit
band, transmit is inhibited until the transmit frequency is
brought within the band limits by one or more of the
following methods:
• Move the receive frequency further inside the band.
• Reduce the offset amount ("SELECTING OFFSETS
MANUALLY" {page 50}). •
• Reverse the offset direction.
The transceiver takes care of setting the required
transmit offset automatically when you select a frequency
in VFO mode. This function is always active unless the
Reverse function is ON {page 51}.
Due to Automatic Offset, a manually assigned offset
direction is only effective until the frequency is changed.
■ U.S.A. and Canada Versions
Automatic Offset for the TM-251A sold in these
markets is programmed according to the standard
ARRL (American Radio Relay League) Band Plan for
repeater offset direction. You can override this
programming by following the "SELECTING OFFSET
DIRECTION" procedure in the preceding section.
Contact your national Amateur Radio association to
obtain up-to-date band plans that explain band usage
by mode and activity.
145.5 146.4 147.0 147.6
145.1 146.0 146.6 147.4 I^S.O MHz
S: Simplex
49