Instruction manual
Chapter 1 CONCERNING THE VD-1673
3
 CONFIGURATION switches 
The CONFIGURATION switches have the functions described below. 
Table CONFIGURATION switches 
Name of function  Switch no.  Description 
1  2  Used to set the control mode. 
*  Refer to “Chapter 2 Control Methods (Control 
Modes)” (on page 7). 
(OFF)  (OFF)  Control is exercised using the “front panel switches.” 
(ON)  (OFF)  Control is exercised using the “EXT I/F connector.” 
CONTROL 
(OFF)  (ON)  Control is exercised using a “VG series generator.” 
3  Used to set the output mode when “front panel switch” 
control has been selected as the control mode. 
*  Refer to “3.1 Output modes” (on page 15). 
(OFF)  The switcher operates in the switching mode. 
OUTPUT 
(ON)  The switcher operates in the distribution mode. 
4  5  Used to set the pre-emphasis level of the TMDS 
signals. 
*  Refer to “3.4 Pre-emphasis level” (on page 16). 
(OFF) (OFF) 0 dB 
(ON) (OFF) 3 dB 
PRE-PMPHASIS 
(OFF) (ON)  6 dB 
6  7  8 
Set all of these three switches to OFF. 
Reserve 
OFF OFF OFF  
1.3.2 Rear panel 
(7) (8) (9)
A C IN (100-240V)T 3. 15A
EXT I /F IN1 IN2 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
Fig. Rear panel 
Table    Names of the parts and what they are used for 
No.  Name of part  Description of setting 
7  EXT I/F connector  Used to control the VD-1673 by inputting signals to this connector when “EXT I/F 
connector” control has been selected as the control mode. 
8  INPUT  These are the HDMI input ports of the VD-1673. 
9  OUTPUT  These are the HDMI output ports of the VD-1673. 










