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6-4 Peripherals/Option Installation Rev.A
Confidential
Life and Durability
1. Life of cold cathod tube for back light (Unless the brightness is reduced in half)
TFT 40,000 hour or above (25 +/-5 Celsius)
DSTN 25,000 hour or above (25 +/-5 Celsius)
Cold cathod tube can be replaced.
2. Touch panel durability
(1) Finger input durability:10,000,000 or above
Condition:Press one point under the following conditions. Silicon rubber (front edge R8,
hardness 60), input pressure 1.96N{200gf}, and input cycle 5Hz.
(2)Writing durability:1,000,000 characters or above
Conditions:Continuouslly write the 7.5 x 6.75 mm size numeric characters in the area of 10 x
9 mm Polyolefine resin (front edge R0.8) with writing pressure 3.43N{350gf}.
Structure
1. Unit Structure
The figure below shows the external structure of DM-LS121S and DM-LS121S.
6-2 Unit Structure(TFT)
HDD LED
POWER LED
Backlight
Brightness
A
djustment
Switch
MSRUnit
Connection
Connector