Instruction manual

16
3.2 Input port selection
One of the VD-1673’s two input ports can be selected for inputting the signals.
3.3 Output port selection
One of the VD-1673’s eight output ports can be selected or signals can be distributed to all of its
output ports and then output.
3.4 Pre-emphasis level
The pre-emphasis level of the TMDS output can be changed by the VD-1673. Set switches no.4 and
5 among the CONFIGURATION switches on the front panel of the switcher to the positions shown in
the table below.
Table CONFIGURATION switch settings
Switch no.
4 5
Pre-emphasis level
OFF OFF 0 dB
OFF ON 3 dB
ON OFF 6 dB
* The DDC and CEC lines take effect only for the input port which has been selected.
The DDC and CEC signals of the port which has not been selected are cut off.
* The rated values for the TMDS characteristics as defined under the HDMI standard
are satisfied only when the pre-emphasis level setting is “0 dB.”
CAUTION
* In the “DISTRIBUTION mode,” only the TMDS signals are distributed. The DDC and
CEC signals take effect only for the output ports which have been selected.
* If the connection of the sink unit cannot be verified by the hot plug signal, the TMDS
output of the unit’s port concerned is set to OFF.
CAUTION
CAUTION