Kenwood TM-261A Instruction Manual page 58

Memory channels cannot
be selected by turning the
Tuning control or by
pressing microphone
[UP][DWN] when using
Memory Recall.
memory channels, or entered data
was erased by a Full Reset.
The Call channel is selected.
Press [MR] to switch to Memory Recall.
You cannot transmit even
though you press [PTT].
The microphone plug is not
inserted completely in the Front
Panel connector.
You have selected a transmit offset
that places the transmit frequency
outside the transmit band range.
=
Switch OFF the power, ensure the
microphone connector on the Front Panel
has no foreign objects in it, then insert the
microphone plug until the locking tab clicks:
in place.
Press [F], [SHIFT] one or two times so
neither "+ "nor "—" are visible.
Packet operation results in
no connects with other
stations.
Your frequency differs from the
target station's frequency.
The modulation level from the TNC
is incorrect.
There is multi-path distortion.
The TX delay time parameter in
your TNC is set incorrectly.
1 Adjust your frequency using the Tuning
control.
Adjust the TNC modulation level! according ,
to the TNC instruction manual.
Reorient or relocate the antenna. The
strongest signal does not always provide
the best operation on packet.
Set the TX delay time to more than
300 ms.