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Appendix A:
Control commands for the CM900
1. Action/Network Commands
The following are some of the more frequently used commands within Actions or sent over the network. For the complete
guide to all such commands, refer to the Calypso Action Control Language (CACL) manual found in the Guides & Resources
section of the FrontRow web site, www.gofrontrow.com/guides-resources.
CM900 Volume Commands
Syntax: #AUDn[Mute,Volume];
Name Required/Optional Data Type Format Description
n Required Constant 1 Denotes the sub-device. Since the
CM900 has only one sub device,
this is always 1
Mute Optional Variant MCommand
where Command is 0, 1, or +
Audio mute:
• off (0);
• on (1); or
• toggle (+)
Volume Optional Variant VCommand
where Command is an integer
from 1 to 100, +, or -. The + or
- may be followed by a single
digit (1-9) indicating the change
in volume steps to be made. If
no digit is entered, the volume
will increment by one.
Sets the audio volume to:
• the percentage of maximum
volume corresponding to the
integer used;
• an increase in volume (+) by n
steps (+n); or
• a decrease in volume (-) by n
steps (-n)
Examples:
Unmute and increase volume: #AUD1[M0,V+];
Unmute and decrease volume by 2 steps: #AUD1[M0,V-2];
Set volume to 10% of maximum: #AUD1[V10];
Mute: #AUD1[M1];
Unmute: #AUD1[M0];
Toggle mute: #AUD1[M+];
Query current settings (returns value of input, mute, and volume): #AUD1[];