Casio 10M30BR Reliability, 4.4.1, IT-10, Backlight, Mounting/removing the terminal, Charging

4.4		Reliability
4.4.1			IT-10
	Table 4.14
					Item	Specification	Remark/Condition
	Service life
			Backlight			10,000 hours	Half-life period 10 hours per day x 200 days per
							year x 5 years
			Reset switch			1,000 times
			Power switch			100,000 times
			Battery cover lock switch			3,000 times
			Other keys			250,000 times	Excluding the power switch
			Serial connector			5,000 times
			CF card connector			5,000 times
			SD card connector			5,000 times
			Mounting/removing the terminal			10,000 times
			to/from the Bridge Satellite Cradle
			Installing/removing the terminal			10,000 times
			to/from the Basic Cradle
			Installing/removing the battery cover			3,000 times
			Installing/removing the stylus			10,000 times
			to/from the silo
			Opening/closing the CF card slot			5,000 times
			cover
			MTBF		Electronics parts	40,000 hours	Main PCB
						30,000 hours	Batteries, switches, LCD module, excluding jacks
					LCD	100,000 hours
			Charging	and discharging cycle of		500 times	Applicable to HA-C21BAT (see note.)
			battery pack

Note:

The number of the cycles is assumed with the conditions below.

•The remained capacity of battery pack at 300th cycle is approximately 60% of the full capacity.

•The surrounding temperature is at 23±2℃.

•The discharge current is 1.1Aconstant current.

•The discharge stops at 2.75V.

•The condition of the charge; 1.1Aconstant-current, charging for 5 hours with 4.20V constant-voltage

35