Operating instructions

3-3
VoiceLift
™
Microphone • SIS Conguration and Control
PRELIMINARY
Coands and Responses
Using the coand/response table
The command/response table lists valid ASCII command codes, the receiver’s
responses to the host, and a description of the command’s function or the results of
executing the command. The ASCII to HEX conversion table below is for use with
the command/response table:
ASCII to HEX Conversion Table
•
Upper- and lowercase characters may be used interchangeably in the command
field unless otherwise specified.
Sybol denitions
]
= CR/LF (carriage return/line feed) (hex 0D 0A)
}
= Carriage return (no line feed, hex 0D)
• = Space character
* = Asterisk character (which is a command character, not a variable)
E
= Escape key (hex 1B)
X$
= Audio gain or attenuation (volume) level
Gain (increase volume): 0 – 6
Attenuation (decrease volume): 0 – -6
X%
= On/Off status
0 = off/disable
1 = on/enable
X1!
= Firmware version number (typically listed to two decimal places, i.e., x.xx)
X4#
= Digital input state
0 = open
1 = closed
X22*
= Microphone channel
0 = no carrier
1 = channel A/C
2 = channel B/D
3 = channels A/C and B/D