6 - 35
Adjustment > Adjustment Procedure
(2) LCD Contrast-1
Note:
Be sure to adjust LCD brightness and LCD
contrast-2 after completing LCD contrast-1
adjustment.
Preparations:
1) Connect the oscilloscope CH2 to “LCD-G
(pin 13)” of Halcyon connector.
2) Switch the oscilloscope V-MODE to
“CH2”: Leave the TRRIGER SOURCE in
“CH1” as is.
Procedure
1) Choose CONTRAST.
2) Click the EXECUTE.
3) Click the UP or DOWN button so that
the value of level A of waveform is 2.20V
± 0.02Vp-p. Click the button at approx.
2-second intervals while checking any
increase or decrease in level A.
4) After step 3) is complete, be sure to click the
SAVE button.
Note that clicking the RETURN button will
restore the LCD ADJUSTMENT MENU
screen to the status before the adjustment
was performed.
5) Click the OK button in dialog to restore the
LCD ADJUSTMENT MENU screen.
Fig. 6-4-8 Waveform of LCD Contrast-1 Adjustment
LCD ADJUSTMENT MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
LCD ADJUSTMENT MENU
PLL
EXECUTE
RETURN
CONNECTION
LCD ADJUSTMENT MENU
WHITE BALANCE
CONTRAST
BRIGHT
2
1
CONTRAST ADJUSTMENT screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
SAVE
RETURN
CONTRAST ADJUSTMENT
UP
DOWN
CONNECTION
4
3
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
OK
5
A = 2.20V ± 0.02Vp-p