Operating Instructions
9
CP650, CP660, CP675
Durability Information
Parameter
Value
Backlight service life (LED type)
MTBF value: 40,000 hrs
(time of continuos operation until the brightness of the backlight
reaches 50 % when the sorrounding temperature reach 25 °C), see
1
Backlight service life (CCFL type)
MTBF value: 50,000 hrs or more
(time of continuos operation until the brightness of the backlight
reaches 50 % when the sorrounding temperature is 25 °C), see
Battery lifetime
10 years if the surrounding temperature is 25 °C
5 years if the surrounding temperature is 40 °C
Front foil silk screen
(without directly expose to sunlight
or UV ray)
10 years if the surrounding temperature is 25 °C
UV Resistance
Indoor applications: After 300 hrs cycled humidity in QUV, some
yellowing and brittleness may be present.
Touch panel
(resistive film, analog)
1,000,000 or more of activations, see
2
Extended use in environments where the surrounding air temperature is 40 °C or higher may degrade
backlight quality/reliability/durability.
Contact for ½ hour at 21 °C, no visible effect: Acetone, Butyl Cellosolve, Cyclohexanone, Ethyl Acetate,
Hexane, Isopropyl Alcohol, MEK, Methylene Chloride, Toluene, Xylene
Contact for 24 hours at 49 °C, no visible effect: Clorox, Coffee, Downy, Fantastik, Formula 409, Ketchup,
Lemon Juice, Mr. Clean, Mustard (slight yellow stain), Spray „N Wash, Tea, Tomato Juice, Top Job, Wisk