Wow WAC 2200 Instruction Manual page 41

INSTRUCTIONS MANUAL
NOTE CONCERNING THE DATABASE: we have taken all due care in gathering and entering
the information contained in the database. The database data must nevertheless be
considered purely indicative; the manufacturer declines any and all responsibility for incorrect
data.
CONTRAST
Keys 4 and 5 may be used to adjust the screen contrast. Key 4 decreases contrast; key 5
increases contrast.
Contrast control is active only with the machine in the main menu and with "AUTOMATIC
PROCEDURE" flashing.
pag.41 - 12/11/2015