Extron Electronics MLA VC10 Plus User Guide - Manual (Page 40)

Command ASCII Command
(host to unit) Response
(unit to host) Additional Description
Audio Mute
Mute on 1Z Amt1 ] Mute audio output volume to 0; toggle
relay on if Auto Mute is enabled.
Mute off 0Z Amt0 ] Un-mute audio and return volume to its
previous level; toggle relay off if Auto
Mute is enabled.
View current audio mute
status
Z Amt
X@] Show current audio mute setting ( X@ )
0 = Off (Disabled)
1 = On (Enabled)
NOTE: Whenever another SIS command results in a change in mute status, the mute status response
(Amt X@] ) will be given as an unsolicited response.
Relay
NOTE: By default, the relay is set to trigger on automatically when the volume level is set to 0 (mute). To use
the relay for other purposes, the Auto Mute function must be disabled.
Relay on 1*1O Rly1*1
] Set relay on.
Relay off 1*0O Rly1*0
] Set relay off.
Toggle relay 1*2O Rly1*
X@] Toggle relay.
Pulse relay 1*3* X# O Rly1* X@]
Rly1*
X@]
Set relay pulse time ( X# is an integer
multiple of 20 ms increments: if X#
is 12 (the minimum value), this is
equivalent to 12*20 = 240 ms).
This command gets two responses: one
at the start of the pulse, the other at
the end of the pulse.
View relay 1O Rly1* X@] Reports back the current relay status.
MLA VC10 Plus • SIS Commands 34