Service manual

IM1015
If a ground loop hum is apparent in the picture, placing the
differential input switch S2 in the ON position will remove
any
hum induced in the cable between the monitor and the equip-
ment which is causing it. If a ground loop hum is not apparent
in the picture, leave the differential input switch in the OFF
position.
2.6 INITIAL TURN-ON PROCEDURE
The TD monitor was tested and aligned before shipment, and should
not require further adjustment after installation. The following
procedure is recommended for turning on the monitor for the first
time:
2-2
(1)
(2)
Connect the monitor to a 120 VAC, 60Hz power source.
Connect a video cable to video input connector at rear
of chassis.
(3) Set the video termination and differential input switches
to the desired position.
(4) Place power switch in ON position. Adjust Brightness and
Contrast controls for desired effect.