Kramer VS-3232DN-EM, User Manual

Page: 125 / 128

Kramer Electronics Ltd.
VS-3232DN-EM
– Protocol 3000
122
VOLUME
Functions Permission Transparency
Set
VOLUME
End User Public
Get
VOLUME?
End User Public
Description Syntax
Set Set simple audio volume
# VOLUME SPout_channel,volumeCR
Get Get simple audio volume
# VOLUME? SPout_channelCR
Response
~nn@ VOLUME SPout_channel,volumeCR LF
Parameters
out_channel
– output number:
1-32
(varies according to installed output cards, see Port
Numbering on page 14 )
volume
– volume in Kramer units:
0-70
,
++
(increase current value),
--
(decrease current value)
Response Trigger
Notes
A minus sign precedes negative values
Use the
AUD-LVL
command to set / get the input audio level or the audio level in the amplifier stage.
K-Config Example
Set the volume of output 8 to 25:
“#VOLUME 8,25”,0x0D
Increase the volume of output 5 by 1 unit:
“#VOLUME 5,++”,0x0D
Using the Packet Protocol
The packet protocol is designed to transfer large amounts of data, such as files, IR
commands, EDID data, etc.
To use the packet protocol:
1. Send a command, for example
LDEDID
2. Receive READY or ERR###
3. If READY:
▪
Send a packet
▪
Receive
OK
on the last packet
▪
Receive
OK
for the command
4. Packet structure:
▪ Packet ID (1, 2, 3…) (2 bytes in length)
▪
Length (data 2 for CRC) - (2 bytes in length)
▪
Data (data length -2 bytes)
▪
CRC - 2 bytes
01 02 03 04
05…
Packet ID Length Data CRC