ECP-3406 page 27
Changing the Display Contrast
Press the MENU key
Use the RAMP CONTROL to find CONTRAST
Press the MENU key again
CNTRST = 1, 2, 3, 4, 5, 6, 7, 8 will appear in the display,
along with the current setting
Use the RAMP CONTROL button to change the contrast level
Press the MENU key again to save the new setting
CNTRST = 8
TRNG 1
VOL
P
25
CONTRAST
LEVEL
DISPLAYED
RAMP
CONTROL
MENU
KEY