GE PT878GC 用户手册
Programming Meter Settings
7-13
April 2004
Adjusting the Contrast (cont.)
•
To confirm the entries and return to Operate mode, press
[F3]
(OK).
•
To leave the window without confirming the entries and return
to Operate mode, press
to Operate mode, press
[F2]
(Cancel) or the
[ESC]
key.