Casio PA-2400 manual Power Supply, Speaker

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

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