DL-HDDM21 Quick Guide
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Back Panel View
1. HDMI IN - HDMI Input
2. HDMI OUT - HDMI Output
3. AUDIO OUT
•L/R; Analog RCA 2 channel stereo audio output
•COAX; Digital mul-channel HD audio output
•OPTICAL; Digital mul-channel HD audio output
4. HDMI AUDIO BYPASS/2CH
•Controls the audio output format for the HDMI port. Moving the switch to the le sets it to
“BYPASS” which allows audio to pass unchanged from the HDMI input port. Moving the switch
to the right sets it to “2CH” which enables decoding Dolby Digital and DTS audio from the HDMI
input and down-mixing it to LPCM 2.0.
5. S/PDIF BYPASS/2CH:
•Controls the audio output format for the S/PDIF audio output ports (Opcal and Coaxial).
Moving the switch to the le sets it to “BYPASS” which allows audio to pass unchanged from the
HDMI input port. Moving the switch to the right sets it to “2CH” which enables decoding Dolby
Digital and DTS audio from the HDMI input and down-mixing it to LPCM 2.0.
6. EDID STD/TV
•Controls which EDID is sent to the connected HDMI input device. Moving the switch to the le
sets it to “STD” mode which will use the internal (user) EDID. Moving the switch to the right sets
it to “TV” mode which will pass the EDID from the connected display device to the HDMI input
device Note: By default the “STD” EDID contains video resoluon support up to 1080p@60Hz and
audio support including LPCM 2.0 up to 96kHz, Dolby Digital (5.1 channel) and DTS (5.1 channel).
7. SERVICE - USB port for EDID management, control and rmware use.
• Visit www.libav.com and navigate to the DL-HDDM21 product page to download the EDID
editor and instrucons.
8. DC-5V- Power plug input
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