4.9

 

Power Supply

 

 

 

 

Table 4.11

Power Supply

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

Specification

 

 

Remark

 

 

Main battery

Lithium-ion battery pack

 

 

 

 

 

 

 

Operating time: Approx. 15 hours

 

 

 

 

 

 

 

(adequate for 10 minutes of continuous display, or

 

 

 

 

 

1 minute of continuous input)

 

 

 

 

 

 

 

Approx. 10 hours

 

 

 

 

 

 

 

(adequate for 90 Pocket Word strokes/minute)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alkaline dry cell: LR6 x 2

 

 

 

 

 

 

 

Operating hours: Approx. 25 hours

 

 

 

 

 

 

 

(adequate for 10 minutes of continuous display, or

 

 

 

 

 

1 minute of continuous input)

 

 

 

 

 

 

 

Approx. 10 hours

 

 

 

 

 

 

 

(adequate for 90 Pocket Word strokes/minute)

 

 

 

 

 

 

 

 

 

 

 

Sub-battery

 

Button-type lithium battery (CR2032 x 1)

 

 

 

 

 

Vanadium secondary battery (IVR2430 x 1)

 

 

 

 

 

Backup time: Approx. 5 years

 

 

 

 

 

 

 

(only if the fresh main battery is being installed

 

 

 

 

 

always.)

 

 

 

 

 

Memory backup

With low voltage Alkaline dry cell:

28 days

Days of backup period

 

 

period

 

(counting when “ Low battery” indication appears)

are only estimate. They

 

 

 

 

 

 

 

 

may vary depending on

 

 

 

 

With fresh Alkaline dry cell:

56 days

environment.

 

 

 

 

With low voltage lithium-ion battery pack:

 

 

 

 

 

 

 

22 days

 

 

 

 

 

(counting when “ Low battery” indication appears)

 

 

 

 

 

With fully charged lithium-ion battery pack:

 

 

 

 

 

 

 

36 days

 

 

 

Contact-type

Supplies power and recharges battery if terminal is

Recharges battery via I/O

 

 

recharging terminal

placed on I/O Box.

 

 

Box.

4.10

Speaker

 

 

 

 

 

 

Table 4.12

Speaker

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

Specification

 

 

Remark

 

 

Speaker

 

 

Dynamic speaker, 20 mm diameter.

For audio output

 

 

 

 

 

Sampling rate: 10-bit D/A

 

 

 

 

 

 

 

 

8/11.025/22.05 KHz

 

 

 

12

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Casio PA-2400 manual Power Supply, Speaker