Casio CTK-555L Manual do Utilizador descarregar pdf (Página 14)

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3) Equipment connection/Procedure

Vop voltage setting

Output

Set Voltmeter

TP1-TP2

Input

Connection

Input

Point

Input

Signal

Adjust

Output

Connection

Output

Point

Adjust for

VR501 Voltmeter TP1-TP2 Adjust for 4.2 to 4.3 V read-

ing on voltmeter under the

temparature 20 to 25 °C.

Make fine adjustment accord-

ing to the following instruc-

tion.

1Watching the LCD at 32.52° angle to the horizontal, adjust Vop

voltage so that unenergized segments are seen dimly.

2Watching the LCD at 62.23° (upper limit) angle, check to see the

segments completely.

32.52°

62.23°

LCD

Eye

(upper limit)

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 29 30

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Casio CTK-555L Manual do Utilizador Página 14