Casio CTK-541 User Manual download pdf (Page 11)

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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

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Casio CTK-541 User Manual Page 11