Epson SR-600 - Manual (Page 110)

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)
H D D L E D
P O W E R L E D
B a c k lig h t
B r ig h tn e ss
A d ju stm e n t
S w itc h
M S R U n it
C o n n e c tio n
C o n n e c to r