Gasboy CFN Series Diagnostic Manual - Manual (Page 140)

GASBOY CFN Series
4-24 03/19/04
LCD DISPLAY & I/F PCB's - OLD (C05442 & C05455)
These parts were shipped with ICR's with serial numbers prior to DPR12413, DET11398 and
DPC10220.
The LCD Display and I/F PCB's provide the visual interface for the customer. They:
•
provide a 1 x 20 character display
•
provide backlighting for viewing the display at night
•
provide viewing angle and backlighting adjustments
•
contains temperature compensation circuitry to assure uniform character contrast as
temperature varies (Okaya only)
Layouts
Adjustments
R8 - EL Backlight
Clockwise - Backlight will turn on later (with less light available)
Counter-clockwise - Backlight will turn on sooner (with more light available)
R9 - Viewing Angle - Densitron Display
Clockwise - characters become darker
Counter-clockwise - characters become lighter
RX - Viewing Angle - Okaya Display
Clockwise - characters become lighter
Counter-clockwise - characters become darker