Casio handheld terminals Computer Hardware User Manual


 
43
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
DT-X11 to/from the Cradle
10,000 times
Key input 800,000 times With 0.8R polyester stylus with load of 250g
applied
Touch panel
Writing 100,000 with
Katakana
characters
MTBF 64,685 hours Electronic parts only
MTBF (WLAN module) 27,000 hours
Charging and discharging
cycle of battery pack
300 times or more Applicable to HA-A20BAT / DT-5025LBAT
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
Power switch 5,000 times Switch
DIP switch 10 times
USB 500 times
RS-232C 500 times
No. of ON/OFF times of the
connector
RS-422 100 times
No. of ON/OFF times of the power jack 1,500 times