NXC-VOL4 Volume Control Card

Programming Information

These NetLinx Send_Commands control the NXC-VOL4.

NXC-VOL4 Send_Commands

Command

Description

 

 

PL

Syntax:

Ramps specified (audio)

SEND_COMMAND <DEV>,'P<Output Channel>L<Level>[T<Time>]'

channel(s) from current level

Variables:

to a specified preset level or

Output Channel: Target audio channel number (0-2). Output channel 0

percentage at the current rate

means both channels 1 and 2.

or optionally in a specified

Level: Target level (0-255 or 0-100%). Level 0 is lowest volume (same as

amount of time.

 

mute) and 255 (or 100%) is maximum volume.

 

Time: Specifies the amount of time (in .10-second increments) that it takes to

 

ramp the specified audio channel to the specified level.

 

Example:

 

SEND_COMMAND MYDEVICE,'P0L50%'

 

Ramps both audio channels on MYDEVICE to 50% volume at the current ramp

 

rate.

 

 

PR

If Time is set to 50, it takes 5 seconds to ramp through the full range of 0 to 255

Sets the ramp rate of the

(0-100%). It would take 2.5 seconds to ramp through half of the range and so

on.

specified channel(s) where

Syntax:

Time is the time to ramp the

full range both down to up

SEND_COMMAND <DEV>,'P<Output Channel>R<Time>[UD]'

and up to down or optionally

Variables:

just down to up or just up to

 

down.

• Output Channel: Target channel number (0-2). Output channel 0 means both

 

channels 1 and 2.

 

• Time: Specifies the amount of time (in .10-second increments) that it would

 

take to ramp the full range of 0-100% (down to up and up to down or

 

optionally just down to up or just up to down).

 

• UD: Ramps the specified channel(s) from down to up (U) or from up to down

 

(D).

 

Example:

 

SEND_COMMAND MYDEVICE,'P0R50''

 

Sets ramp rate of audio channels 1 and 2 to five seconds full range from down

 

to up and up to down.

 

 

NetLinx Cardframe, Control Cards, and NetModules

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AMX NXM Series manual NXC-VOL4 SendCommands, Sendcommand MYDEVICE,P0L50%, Sendcommand DEV,POutput ChannelRTimeUD

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