13
Owner’s guide
Rev. 2.3
8.1.3 RS232 commands table
Function
Command
In hex
Description
Power ON
pwr1
70 77 72 31 0D
Turns on the hub
Power OFF
pwr0
70 77 72 30 0D
Turns off the hub
Power Toggle
pwrt
70 77 72 74 0D
Toggles the power of the off. On if off and
off if on
Volume Up
vol+
76 6F 6C 2B 0D
Increases the hubs output volume with 1
Volume
Down
vol-
76 6F 6C 2D 0D
Decreases the hubs output volume with 1
Volume Set
vol[XX]
76 6F 6C xx
76 6F 6C 63
76 6F 6C 00
76 6F 6C 0F
76 6F 6C 5F
Changes the volume to a specific number. It
accepts values from 0-63, in hexadecimal
numbers. So there are 100 volume steps.
Examples:
vol63, sets the volume to full
vol00, set the volume to zero
vol0f, sets the volume to a low level
vol5f, sets the volume to a high level
Source Next
src+
73 72 63 2B
Changes input source, counting up
Source
Previous
src-
73 72 63 2D
Changes input source, counting down
Source Select src[X]
73 72 63 0x
73 72 63 00
73 72 63 01
73 72 63 02
73 72 63 03
73 72 63 04
73 72 63 05
Changes the input source to a specific
source. X is the source selected.
Sources are:
0
toslink1 (pink LED)
1
toslink2 (blue LED)
2
coaxial (yellow LED)
3
Bluetooth (green LED)
4
analog (light blue LED)
5
mixer (white LED)
Example:
src4, changes to analog input
Standby
Timeout
Enable
sta1
73 74 61 31
Enables standby timeout, so the hub will
turn off if it receives no signal for 20
minutes.
Standby
Timeout
Disable
sta0
73 74 61 30
Disables standby timeout, hub will never go
automatically to standby.