Kenwood TH-255A Instruction Manual page 83

Problem
You cannot transmit by pressing
[PTT].
Repeater cannot be accessed.
DTMF tone cannot be
transmitted.
Solution
You selected a frequency outside
the allowable range. Select a
frequency within the allowable
transmit frequency range.
You selected a transmit offset
that places the transmit frequency
outside the limit. Select a proper
offset direction or offset frequency.
TX inhibit is ON. Access Menu
No.14 (TXI) and select "OFF".
The battery pack voltage is too
low to transmit. Change or replace
the battery.
Wrong tone frequency is selected.
Select a proper repeater access
tone.
Wrong repeater offset frequency
is selected. Access Menu No.
2 (OFFSET) and select an
appropriate offset frequency.
Wrong offset direction is selected.
Try other offset directions.
DTMF Lock is ON. Access Menu
No. 23 (DT.L) and select "OFF".
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