8-3. Contrast Adjustment
1. Connect the oscilloscope to "MON_G" on the VFK1308P.
2. Open the "LCD adjustment menu".
3. Select "3. Contrast adjustment" in the LCD adjustment menu, and then press the "Enter" key.
4. Adjust the arrow keys on PC so that the differential amplitude between 0 step-level and 7 step-level (portion "V"
in figure) becomes 2.15±0.1V as shown in figure on screen.
Note:
1) Level (V) can be adjusted by pressing arrow keys on keyboard.
2) Waveform (figure) can be displayed by pressing F2 key.
3) Please measure the opposite side of waveform.
5. When adjustment is finished, press ENTER key to white adjusted data to EEPROM.
ELE-40