User Guide Owner's manual
Serial Communication, cont’d
PVS 204SA • Serial Communication
4-6
PRELIMINARY
Volume adjustment
Set the overall output volume  X^ V  Vol X^ ]  Specify the volume (0-100) for 
the audio output.
Example:  27V  Vol027 ]  Set volume to 27.
Increment the volume  +V  Vol X^ ]  Increase audio output.
Decrement the volume  -V  Vol X^ ]  Decrease audio output.
View the volume level  V  Vol X^ ]  Show the output volume.
Status commands
These commands allow you to view the status of the clip indicator between adjustments to the audio input levels, the 
Volume Control Module status, the high pass lter status, and the internal temperature of the device. 
View the clip (max) status  3S  Sts3*X# ]
View the VCM present status  40S  Sts40*X1# ]
View the high pass lter status  41S  Sts41*X# ]
View the internal temperature (ºC)  20S  Sts20*X1$ ]
Front panel security lockout modes (executive modes)
Disable executive mode (unlock)  0X  Exe X# ]  Adjustments and selections can 
be made from the front panel.
Enable executive mode 1 (lock)  1X  Exe X# ]  Lock front panel input selection 
buttons; select inputs via RS-232 
or IR remote control only. Only 
volume adjustment is available 
via the front panel. 
This command is equivalent 
to pressing and holding front 
panel buttons 1 and 4.
View the executive mode status  X  Exe X# ]  Show executive mode status.
Example:  X  Exe0 ]  Executive mode is off 
(unlocked).
Firmware version, part number & information requests
Query firmware version number  Q  X2! ]  Show the switcher’s firmware 
version.
Request the part number  N  N60-800-01 ]  Show the switcher’s part #. 
Request model name  1I  PVS 204SA ] 
Request general info  I or 0I  (see below )  Show the switcher’s status.
Vid • Aud • Vol 
X1 X1
X6
Video input # X1
is selected/active
Audio input
# X1 is
selected/active
Audio volume
status
(Single sw mode)
Switcher mode
status
Vga • Vid
*
 • Aud
*
 • Vol 
(Sep sw mode)
X1
X1
X4
X1
RGB input # X1
is selected/active
Video input
# X1 is
selected/active
Audio volume
status
Audio input
# X1 is
selected/active
Switcher mode
status
Upload rmware
Upload  E Upload ]  Go ]  The switcher will start upload-
ing firmware code into its 
memory.
      Upl ]  The firmware was successfully 
loaded into the switcher.
Command/response table for SIS commands (continued)
Command  ASCII Command  Response   Additional description
    (host to switcher)  (switcher to host) 
(separate switcher mode)
(single switcher mode)










