Casio CTK-541 - Using the Display; Display Indicators and Settings; Number and Value Displays; Name and Symbol Displays

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Output
Set Voltmeter
CP3-CP4
3) Equipment connection/Procedure
Vop voltage setting
Input
Connection
Input
Point
Input
Signal
Adjust
Output
Connection
Output
Point
Adjust for
VR1 Voltmeter CP3-CP4
Adjust for 3.90 ~ 4.00V read-
ing on voltmeter under the
temparature 20 ~ 25 °C.
Make fine adjustment accord-
ing to the following instruc-
tion.
Watching the LCD at a 50° angle to the horizontal, adjust Vop
voltage so that unenergized segments are seen dimly.
50°
LCD
Eye