Tait TM8100 Protocol Manual page 46

[PTYPE] [PARA1] Function
21 User Initiated Channel Change
Indicates the details of the current channel
[PARA2] is a fixed length field of 6-digits which indicate zone (2 digits) and the channel
or scan/vote group ID (4 digits).
0 Single channel.
1 Scan/vote group of channels.
2 A channel captured within a scan/vote group.
3 Temporary channel e.g. one used for GPS.
9 The channel is not available or invalid.
22 2-digit TDMA channel ID
decimal [PARA2]: 2-digit hexadecimal number
channel 00 = TDMA open accepted
ID 01 = TDMA not available
02 = TDMA channel invalid
03 = TDMA open slot not assigned
04 = TDMA already open
05 = TDMA closed successfully
06 = TDMA service not open
07 = TDMA data buffered
08 = TDMA data buffer emptied
09 = TDMA invalid packet size
0A = TDMA data failure not open
0B = TDMA normal operation suspended
0C = TDMA normal operation not suspended
0D = TDMA normal operation unable to suspend
23 Keycode
Indicates key actions
[PARA2]: 0 = key down action, 1 = key up action, 2 = short keypress, 3 = long keypress
00 PTT
01 Hookswitch
02 On/Off key
03 Up key
04 Down key
05 Function key 1
06 Function key 2
07 Function key 3
08 Function key 4
Example
46 CCDI
p0202CC This message sends the progress message to say that Tx has
been inhibited.
TM8100/TM8200 Computer-Controlled Data Interface (CCDI) Protocol Manual
© Tait Electronics Limited April 2007