Casio DT-X11 Series, handheld terminals manual Reliability, 5.4.1, DT-160IOE/DT-169CHGE

5.4		Reliability
5.4.1		DT-X11
	Table 5.18
		Item		Specification	Remark/Condition
	Backlight			5,000 hours	At half-life period
	Scanner module			10,000 hours
	C-MOS Imager			300,000 hours
	USB connector			5,000 times
	PC Card slot cover			100 times
	Trigger keys			1,000,000 times	Each trigger key
	Other keys			500,000 times
	Mounting/removing of			10,000 times
	DT-X11 to/from the Cradle
	Touch panel		Key input	800,000 times	With 0.8R polyester stylus with load of 250g
					applied
			Writing	100,000 with
				Katakana
				characters
	MTBF			64,685 hours	Electronic parts only
	MTBF (WLAN module)			27,000 hours
	Charging and discharging			300 times or more	Applicable to HA-A20BAT / DT-5025LBAT
	cycle of battery pack
5.4.2 DT-160IOE/DT-169CHGE
	Table 5.19
			Item		Specification	Remark/Condition
	MTBF for electronics parts				50,000 hours
	Mounting/removing DT-X11 to/from Cradle				20,000 times
	Switch			Power switch	5,000 times
				DIP switch	10 times
	No. of ON/OFF times of the			USB	500 times
	connector			RS-232C	500 times
				RS-422	100 times
	No. of ON/OFF times of the power jack				1,500 times

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