IN1806 and IN1808 Series Scaling Presentation Switchers • SIS Configuration and Control
74
Command
ASCII Command
(Host to Scaler)
Response
(Scaler to Host)
Additional Description
Audio Configuration
Audio Input Format
Set input audio format
E
I
X!
*
X5@
AFMT
}
AfmtI
X!
*
X5@]
Set the audio format for input
X!
to
X5@
.
View audio input format
E
I
X!
AFMT
}
X5@]
View audio input format
X5@
for input
X!
.
NOTE:
Audio input formats 4 and 5 detect and use embedded digital audio when present. If digital audio is not detected,
analog audio is used.
KEY:
X!
= Input selection
1
= DisplayPort input 1
2
-
6
= HDMI or DVI input 2, 3, 4, 5, or 6
7-8
= DTP2/XTP input 7 or 8 (IN1808 Series only)
9
= Aux audio input
X5@
= Audio input format
Format
Selection
Details
0
=
None
(input muted) — All audio outputs are muted.
1
=
Analog Aux Line input
— 5-pole captive screw connector
*
2
=
LPCM-2Ch digital
— Embedded in the HDMI input signal.
LPCM-2Ch audio is requested from the source via EDID.
3
=
Multi-Ch digital
— Allows any digital audio format requested
from the source via EDID. Audio delay is applied and the signal
is re-embedded into the HDMI output signal.
4
=
LPCM-2Ch Auto Aux Line
(default) — LPCM-2Ch audio
is requested from the source via EDID. The scaler uses
embedded digital audio when it is present, or defaults to the
Aux* Line input when digital is not present.
5
=
Multi-Ch Auto Aux Line
— Multi-Ch audio is requested from
the source via EDID. The scaler uses embedded digital audio
when it is present, or defaults to the Aux* Line input when
digital is not present..
*
On the IN1808 Series, when Input 7 or 8 is set to DTP mode, the scaler
uses analog audio from the remote DTP transmitter instead of analog
audio from the rear panel of the IN1808. Analog and Auto formats are
not allowed on inputs 7 and 8 of the IN1808 Series when it is set to XTP
mode.