Casio PA-2500 Especificaciones descargar pdf (Pagina 54)

— 51 —

Connect the items as

shown.

1 : Turn the power off.

2 : Supply the voltage to

backup battery termi-

nals as right figure .

3 : Remove main batter-

ies.

4 : Measure the current.

Vs = 3.0 ± 0.1 V

(No display)

Current consumption of

backup battery.

Measure the current.

Is = 450 µA or under.

Step Operation Display (Wiring) Note

Backup battery terminal

Vs

A

V

-

+

PA-2500U

Is

Backup

battery

ON

(Power off)

Current consumption at

OFF.

Measure the current.

Ib = 1.4 mA or under

Main

Battery

at OFF

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