22 CCDI TM8100/TM8200 Computer-Controlled Data Interface (CCDI) Protocol Manual
© Tait Electronics Limited April 2007
1.9 Commands to the Radio
The following commands are available to send from the PC to control the
radio.
In all cases, if a command is received without error by the radio and all
parameters are valid, the command is executed.
The prompt character ‘.’ is returned to the PC immediately after receiving a
command, to signify that another may begin. If an error arises, the PC is
notified with an appropriate ERROR response.
1.9.1 CANCEL
The CANCEL command tells the PC to abort the current action that the
radio is performing.
Format c [SIZE] [CANCEL_TYPE] [CHECKSUM]
Command Character Function Valid in Mode
Mode radio must be
in or switch to, to act
upon the message
(TM8200 only)
CANCEL c Cancel current activities Conventional Conventional
DIAL d Initiate a conventional
call
Trunked
Conventional
Conventional
FUNCTION f Implement RU function Trunked
Conventional
Dependent on function
GO_TO_CHANNEL g Tune to conventional
channel
Trunked
Conventional
Conventional
QUERY q Query RU Model, data
parameters, software
versions, etc. Query
SDM.
Trunked
Conventional
Either, no change
required
SEND_ADAPTABLE_SDM a Send conventional SDM
with SFI/GFI field
formatting
Trunked
Conventional
Conventional
SEND_SDM s Send conventional SDM Trunked
Conventional
Conventional
TDMA z Configure and open
TDMA channel
Queue TDMA data for
sending
Close TDMA channel
Conventional Conventional
TRANSPARENT (FFSK and
THSD)
t Switch to Transparent
mode (FFSK or THSD)
Conventional
Trunked
Conventional