RS232 Protocol

7
Command: get_volume!
Description: Request current volume value
Return String(s): volume=##!
Return Description: 2 digit current volume level
Example: volume=40!
Command: get_tone_max!
Description: Request Max Tone value
Return String(s): tone_max=10!
Return Description: 2 digit tone max level
Example: tone_max=10!
Section 3: Special Character Mapping
Certain characters on the RA-12 display may be represented by a combination of
2-3 hex bytes in the feedback string provided by the unit. Refer to the chart below for a
mapping of the different characters.
Symbol Hex Value Symbol Hex Value Symbol Hex Value
EE 82 85 EE 82 8A EE 82 99
EE 82 84 EE 82 8B
EE 82 9A
EE 82 92 EE 82 81 EE 82 88
EE 82 87
▶
EE 82 82 EE 82 95
EE 82 8E
■
EE 82 83 EE 82 96
EE 82 89
◄
EE 82 94
*
EE 82 90
EE 82 93
►
EE 82 97 EE 82 91
EE 82 8C
◄
EE 82 98 EE 82 8D
EE 82 8F EE 82 80
END
EE 80 80 EE 80 81 EE 80 82
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