Zenith L20V54S - Manual (Page 58)

TV Operation Check
P A G E 5 8
Press the "On/Off" key
on the front panel.
The On/Off key is always operational.
Did
you get
a response
?
Bad TV
Yes
No
Did
TV stop
responding
or continue
to respond
?
TV is in
Commercial
Mode.
Stopped
responding
TV is not in Commercial Mode
Call Technical Support for
Assistance
Continued
to
respond
Leave
the
TV set On
Go to Installer menu
by pressing "MENU" until
the TV stops responding.