User Guide User guide
FOX II DP Transmitter and Receiver • Remote Control
24
Symbol Definitions for Receiver SIS Commands
]  = CR/LF (carriage return/line feed)
}  = Carriage return (no line feed)
 |  =  Pipe (can be used interchangeably with the } character)
 •
  =  Space (hard) character
E  =  Escape key (hex 1B)
 W  =  Can be used interchangeably with the E character
X#  = Video and sync mute status  0 = off  2 = video and sync mute on 
1 = video mute on
X$  = Audio gain adjustment range  00 to 10
X%  = Audio level adjustment range  –18 to +10 (in 1.0 dB steps)
X^  = Audio attenuation adjustment range  00 to 18
X&  = Video delay  0 = 0 second 
(0 plus six steps at 0.25 seconds per step)  1 = 0.25 second  3 = 0.75 second  5 = 1.25 second 
  2 = 0.5 second (default)  4 = 1.0 second  6 = 1.5 second
X(  = Audio output  0 = DisplayPort and analog  1 = DisplayPort only  2 = Analog only
X1)  =  On and off status  0 = off  1 = on
X1@  =  Receiver name 
X1#  =  Link and input status  0 = link or input not detected  1 = link or input detected
X1$  =  Input HDCP signal  0 = no source detected  2 = source detected but no HDCP present 
1 = source detected with HDCP
X1%  =  Loop-through display  0 = no sink device connected  2 = sink device detected, but not HDCP compliant 
1 = sink device detected and HDCP compliant
X1^  = Internal temperature  nnnF•nnC
X1&  = Transmission mode  SM = singlemode  MM = multimode
X1*  =  Firmware version  v.vv
X1(  =  Frequency  nnn.n
X2) =  Optical module manufacturer  Up to 16 alphanumeric characters
X2!  =  Tx or Rx power  xx.x dBm
X2@  =  Operating temp of module  nnn.n
X2$  =  Audio output level  0 = Consumer level (-10 dBV)  1 = Professional level (+4 dBu)
Command and Response Table for Receiver SIS Commands
Command SIS Command 
(host to unit)
Response 
(unit to host)
Additional description
Video and sync mutes
Mute output, video only
1B
Vmt1
]
Mute the video output, display black video.
Mute output, video and sync
2B
Vmt2
]
Mute the video and sync outputs.
Unmute output
0B
Vmt0
]
Output video.
Show video mute status
B
X#]
Video mute status is 
X#
.
HDCP notification
Enable notification
EN1HDCP} HdcpN1]
Disable notification
EN0HDCP} HdcpN0]
View notification status
ENHDCP}
X1)]
Video shutdown delay
NOTES:
•  The Set Video Delay command delays the digital video to help monitors sync correctly during an input rate change.
•  Only video is delayed; embedded audio is not delayed.
Set delay
3*
X&
# Dly
X&]
Delay video by an interval of 
X&
.
Example:
3*3#
Dly3
]
Delay video by an interval of 0.75 seconds 
(3 x 0.25 seconds).
View delay
3#
X&]










