Programming Meter Settings 6-11
August  2003
Adjusting the Contrast (cont.)
•
To confirm the entries and return to Operate Mode, press [F3] 
(OK). The PM880 returns to Operate Mode.
• To leave the window without confirming the entries, press [F2] 
(Cancel) or the 
[ESC] key. The PM880 returns to Operate 
Mode.