JBL Synthesis SDP-45 4K - Manual (Page 5)

Command List
COMMAND
Bytes
C1,C2,C3,C4
PARAMETER
Bytes
P1,P2,..
DESCRIPTION
All feedback is in the same format. In this way the
response will echo the command if the command is
valid.
NOTES
MPWR Main Power
00 Off (Standby)
01 On
QS Query Status
AUFB auto-feedback
00
OFF - automatic response on device status change or
button press actions will not be broadcast(only the
responses to explicit commands)
01 Automatic response will always be sent.
Recommended to be sent
on power up
QS query, return AUFB status
MSRC Main Source
System power on defaults
to last used source
00 Blu-ray
01 SAT / VBL
02 Game
03 Media Player
04 DVR
05 TV
06 CD
07 BAL2
08 USB
09 7.1 Bypass
QS Query Status
MVOL Main Volume MVOL can be used to set
the volume, bump it
up/down. The unit will
respond with a MVOL and
the current volume. MVOL
commands have built in
RAMP TIME that cannot
be defeated
UP Up 1 step (0.5dB)
DN Down 1 step (0.5dB)
xxxx
0200 - 1120 in 0.1dB units, plus 1000 (-80.0..12.0dB res
0.5dB). Fourth digit must be 0 or 5 (xxx0 or xxx5).
QS Query Status
QVOL Quick Volume Command (Main Zone)
Same as MVOL but
without any RAMP TIME.
UP Up 1 step (0.5dB) The unit will go to the
volume without any ramp
DN Down 1 step (0.5dB)