ATON AH66T-KT installation manual Appendix A: RS-232Protocol and Command Set, Port Configuration

A T O N AH66T INSTALLATION MANUAL

Appendix A: RS-232 Protocol and Command Set

When using 3rd party RS-232 control systems it is necessary to configure the RS-232 control system communication settings to conform to the AH66T settings.

Port Configuration

8 data bits, no parity, 1 stop bit, no flow control

Baud Rates:

•115200

•57600

•38400

•19200

•9600

The ATON configuration software allows you adjust the Baud Rate. All other settings are fixed. Be sure that the 3rd party controller settings match these settings.

The command structure for the primary AH66T functions is different than the command structure for the integrated tuner. Each command set is covered separately.

AH66T Control Command Structure (Primary Functions)

AH66T control commands follow the same basic structure. Commands are in all capitals and the comma separation (44 in decimal or 0x2C in hex) is required.

Prefix:	&AH66 - This is required for all command strings.
Command (CMD):	This is required for all command strings. See the list on the
	following pages.

Parameter # 1 (PAR1): This generally refers to a zone or a chassis.

Parameter # 2 (PAR2): This is usually the second part of the actual command - ON / OFF /

TOGGLE / QUERY, for example.

Parameter # 3 (PAR3): Used when adjusting BASS and TREBLE settings.

Carriage Return (<cr>): This is required for all commands. (0x0d or Decimal 13)

Sample Command Layout:

&AH66,CMD,PAR1,PAR2<cr> (2 parameters)

&AH66,CMD,PAR1,PAR2,PAR3<cr> (3 parameters)

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