IN1804 Seamless Scaling Switchers • SIS Configuration and Control 66
Command ASCII Command
(Host to Switcher)
Response
(Switcher to Host)
Additional Description
Output Configuration (continued)
TMDS Output Format
Set output format
EX@
*
X4*
VTPO
}
Vtpo
X@
*
X4*]
Set the colorspace and format for HDMI
output
X@
to
X4*
.
View format setting
EX@
VTPO
}
X4*]
View the current output colorspace and
format for output
X@
.
View auto output format
EX@
*VTPO
}
X4*]
View the output format when
X4*
is
set to 0 (Auto). (Responses can be 1
through 9.)
KEY:
X@
= Output
1 = TP Output 1A (IN1804 DO and DI/DO)
HDMI output 1A (IN1804 and IN1804 DI)
2 = HDMI output 1B
X4*
= HDMI output format and colorspace
0* = Auto — HDMI RGB Full to a CEA sink, DVI to a non-CEA sink***
1* = DVI — RGB 444, 0-255, no audio, no InfoFrames. Valid for output
rates up to 165 MHz.
2 = HDMI RGB Full — RGB 444
3 = HDMI RGB Limited — RGB 444
5 = HDMI YUV 444 Limited — YUV 444
7 = HDMI YUV 422 Limited — YUV 422
9** = HDMI YUV 420 Limited — Used for transmitting 4K @ 60 Hz at a
4K @ 30 Hz character rate.
* If the IN1804 is in DVI mode and a rate greater than 165 MHz is
selected, the HDMI output defaults to HDMI RGB 444 Full.
** 420 formats are available only when the current HDMI output resolution
is 4K/UHD @ 50, 59.94,or 60 Hz and use half the TMDS character
rate.
If
X4*
is set to 9 and the output rate is changed to a rate other than
64-66 Hz or 74-76 Hz,
X4*
is automatically set to 0, and an SIS
response is sent.
*** DVI mode applies only up to a 165 MHz pixel clock.
Power Save
Set power save mode
EX6@
PSAV
}
Psav
X6@]
Set the power save mode to
X6@
.
View power save mode
E
PSAV
} X6@]
View the current power save mode.
NOTE: If the unit overheats, it enters PSAV mode 9 (functionally equivalent to mode 1) and sends an unsolicited message
to all ports. All normal PSAV mode 1 functionality applies when the unit is in mode 9.
You cannot set the unit to mode 9 manually, it enters that mode only when overheated.
KEY:
X6@
= Power save mode
0 = Full power mode (default)
1 = Lowest power state — TP remote power and TP links are
disabled. Input LEDs 1 through 4 cycle at a 500 ms interval.
2 = Lower power mode — TP links remain active, including remote
power, and Ethernet to RS-232 insertion. Input LEDs 1 through 4
cycle at a 500 ms interval.
9 = Low power state due to over-heating (query-response only)
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