BTUN-02
AM/FM TUNER WITH RS232
Appendix 1
RS232 Protocol
Interface
Baud Rate :
9600
Stop Bit: 1
Data Bits :
Transmission:
8
In ASCII codes
Parity Bit: none
Format
<ZoneID><_><ProductID><_><TunerID><_><Command><_><Parameter1><_><Parameter2><_><CR>
<Zone ID> Is a number from 00 to 99, sending "00" selects all zones.
The maximum number is 99.
Zone ID is factory set at "0", but can be reassigned.
<Product ID> For the BTUN-02, 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 BTUN-02 tuners are used in one application, the Zone ID of each tuner shall be reassigned
with a unique number.
In this way each tuner can be controlled individually via the RS232 port. Use command 14 in the following list to program a
new Zone ID.
BTUN-02
Command
Purpose
Parameter1
Purpose of Parameter1
Parame
t er2
1
Power on/off
1
Power off
2
3
Power on
Toggle power on/off
2
Band switching
1
2
3
AM
FM
Toggle between AM/FM
3
Preset access
1 to N
1 for preset 1, 32 for preset #32
4
Direct frequency t uning
87..107
5..16
Enter the integal part of a FM frequency
Enter the 1st or first two digits of an AM frequency
00..95
00..99
