Knoll GSZ67 Function, Range, Read/Write, Remarks, Supported Command Messages

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Function	Command	Range		Read/Write			Remarks
Version	(vr?)	none		read only
Reset	(rx)	none		write only			1 second
Channel On	(#on)	1-6		write only
Channel Off	(#of)	1-6		write only
Mute	(#mu)	1-6		write only
Un-mute	(#um)	1-6		write only
Mute All	(amu)	none		write only
Un-mute All	(aum)	none		write only
Volume Request	(#vl?)	1-6		read only
Volume Set	(#vl$$)	1-6 / 0-87		write only
Volume All	(avl$$)	0-87		write only
Input Request	(#sl?)	1-6		read only
Input Set	(#sl$)	1-6 / 1-7		write only
Input Select All	(asl$)	1-7		write only
All Channels On	(aon)	none		write only
All Channels Off	(aof)	none		write only
All Channels Vol up	(avlu)	none		write only		Note 1
All Channels Vol dn	(avld)	none		write only			Note 1
Channel Vol up	(#vlu)	1-6		write only		Note 1
Channel Vol down	(#vld)	1-6		write only		Note 1
Bass adjustment	(#b$)	1-6 / 0-F	write only			Note 2
Treble adjustment	(#t$)	1-6 / 0-F	write only			Note 2
Display treble	(#b?)	1-6		read	only
Display bass	(#t?)	1-6		read	only

Note1: Volume up or down requests increase or decrease volume level by 5

Note 2: Treble and bass commands use hexadecimal values 0-F, default (flat) is 8.

Also, it is best to leave about a ½ second between commands, as some integrators may miss commands if they are entered too quickly.

All commands also send a message back to the terminal after they have been completed, so that it is easy to keep track of the previous commands that were sent.

Note: Some commands are read or write only and some are both – for example: Mute All is a write only command and Version is a read only command.

Supported Command Messages

Function	Command	Message
Version	(vr?)	Version Number
Reset	(rx)	“Resetting...”
Channel On	(#on)	“Zone # on”
Channel Off	(#of)	“Zone # off“
Mute	(#mu)	“Zone # muted”
Un-mute	(#um)	“Zone # unmuted”
Mute All	(amu)	"All channels muted"
Un-mute All	(aum)	"All channels un-muted"
Volume Request	(#vl?)	"Zone # volume level = $$"
Volume Set	(#vl$$)	"Zone # volume level set"
Volume All	(avl$$)	"All volume levels successfully changed"
Input Set	(#sl$)	"Zone # input set"
Input Request	(#sl?)	"Zone # is currently using input channel $”
Input Select All	(asl$)	"All zones set to source $"
All Channels Off	(aof)	"All zones turned off"
All Channels On	(aon)	“All zones turned on”