Hitachi Kokusai Electric HV-D27A Operation Manual page 80

(4) RGB (D-sub connector)
R : 0.7 Vp-p/ 75 ohm
G : 0.7 Vp-p/ 75 ohm
B : 0.7 Vp-p/ 75 ohm
Menu settings select the D-sub connector output for Y/C, component or RGB.
Note:
(5) Sync (D-sub connector)
HD : 2 Vp-p/ 75 ohm
VD : 2 Vp-p/ 75 ohm
SYNC: 2 Vp-p/ 75 ohm
(6) Serial data (4 pin connector)
･1.5 Vp-p/ Low (in connection with RC-Z3)
･RS-232C level (in connection personal computer)
Set internal switch according to connected equipment.
Note:
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