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10/16 XT1
Appendix 1
RS232 Protocol
Interface
Baud Rate : 9600 Stop Bit: 1
Data Bits : 8 Parity Bit: none
Transmission: In ASCII codes
Format
<ZoneID><_><ProductID><_><TunerID>_<Command><_><Parameter1><_><Parameter2><_><CR>
<Zone ID> Is number 00 to 99, a "00" selects all zones.
The maximum number is 99.
Zone ID is factory set at "0", can be reassigned to other number below 99.
<Product ID> For the XT1, the factory default setting for product ID is 10
<Tuner ID> Is number 00 to 99, a "00" selects all tuners. Default set to 01
<Command> Is 1 to N, N may be in one or multiple digits as defined in the first column in the
table below
<Parameter1> None, or is 1 to N, N may be in one or multiple digits as defined in the
"Parameter1" column below
<Parameter2> None, or is 1 to N, N may be in one or multiple digits as defined in the
"Parameter2" column below
<_> The fields are separated by an underscore "_"
<CR> A character return to terminate the command line
<Zone ID> If multiple XT1 tuners are used in one application, the Zone ID of each tuner shall
be reassigned with a unique number so that each tuner can be controlled
individually via the RS232 port. Use command 14 in the following list to program
a new Zone ID.
XT1 Purpose Parameter1 Purpose of Parameter1 Parameter2
Command
1
Power on/off
1
Power off
2
Power on
3
Toggle power on/off
2
Band switching
1
AM
2
FM
3
Toggle between AM/FM
3
Preset access
1 to N
1 for preset 1, 32 for preset #32
4
Direct frequency
87..107
Enter the integal part of a FM frequency 00..95
tuning
5..16
Enter the 1st or first two digits of an AM
frequency 00..99