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Automatic repeater offset, Transmitting a 1750 hz tone – Kenwood TM-281A User Manual

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AUTOMATIC REPEATER OFFSET

This function automatically selects an offset direction,
according to the frequency on the VHF band. The
transceiver is programmed for an offset direction as
shown below. To obtain an up-to-date band plan for
repeater offset direction, contact your national Amateur
Radio association.

K market version only

+

+

S

S

S

S

144.0 145.5 146.4 147.0 147.6

145.1 146.0 146.6 147.4 148.0 MHz

S: Simplex

This complies with the standard ARRL band plan.

E market version only

S

S

S: Simplex

144.0

146.0 MHz

145.8

145.6

Note: Automatic Repeater Offset does not function when the
Reverse function is ON. However, pressing [REV] after Automatic
Repeater Offset has selected an offset (split) status, exchanges the
receive and transmit frequencies.

1 Press

[F], [MENU] and turn the Tuning control to

select Menu No. 11 (ARO).

2 Press

[MENU] and turn the Tuning control to switch

the function “ON” (default) or “OFF”.

3 Press

[MENU] to store the setting or any other key to

cancel.

4 Press any key other than [MENU] to exit Menu Mode.

TRANSMITTING A 1750 Hz TONE

Call Channel default settings:

• On E market models, pressing [CALL] causes the

transceiver to transmit a 1750 Hz tone.

• On K and M market models, pressing [CALL] changes the

transceiver to the Call Channel {page 35}.

To change the setting of the CALL key:

1 Press

[F], [MENU] and turn the Tuning control to

select Menu No. 19 (CK).

2 Press

[MENU] and turn the Tuning control to select

“CALL” or “1750”.

3 Press

[MENU] to store the setting or any other key to

cancel.

4 Press any key other than [MENU] to exit Menu Mode.

Some repeaters in Europe must receive continuous
signals for a certain period of time, following a 1750 Hz
tone. This transceiver is also capable of remaining in the
transmit mode for 2 seconds after transmitting the tone.

1 Press

[F], [MENU] and turn the Tuning control to

select Menu No. 20 (HLD).

2 Press

[MENU] and turn the Tuning control to select

“ON” or “OFF” (default).

3 Press

[MENU] to store the setting or any other key to

cancel.

4 Press any key other than [MENU] to exit Menu Mode.