Unsolicited Messages From The Radio; Summary And Examples; Ptt Exceeds Max Transmit Limit - Tait TM8100 Protocol Manual

2.9

Unsolicited Messages from the Radio

2.9.1

Summary and Examples

Examples:
2.9.2

PTT exceeds max transmit limit

Description
Response
Effect
72 CCR
The following messages may be returned to the DTE without user
intervention.
Message
Vssx...xcc
Msspcc
Mssrcc
V0612345-18 Sequence 12345 detected
V065E5E5-EE Sequence 55555 detected (E is repeat tone in this case)
M01P02 Transmit timeout warning (10s before inhibit)
M01R00 CCR mode entered
The radio uses this response to advise the control head that PTT is about to
timeout.
For control heads with user interfaces, the warning threshold is the duration
timer configured for the network minus 10s.
Msspcc
Where:
Parameter Value
M ASCII letter M denotes the message
ss ASCII hex number ss is the number of parameters (always "01")
P ASCII letter P denotes a PTT being applied that has exceeded the
default transmit timer warning threshold
cc ASCII hex number cc is the checksum
Whenever the radio reaches its maximum transmit period the radio will
inform the control head. After a further short delay the radio will turn off
the transmitter.
TM8100/TM8200 Computer-Controlled Data Interface (CCDI) Protocol Manual
Cmd Function
V Selcall decode sequence
MP Ptt exceeds max transmit limit
MR CCR initialised
© Tait Electronics Limited April 2007