10-2
PL-5910 Series User Manual
The installation gasket protects the PL and improves its water resistance. For instruc-
tions on installing the PL unit’s gasket.
4.2 Installing the PL
A gasket which has been used for a long period of time may have scratches
or dirt on it, and could have lost much of its water resistance. Be sure to
change the gasket periodically (or when scratches or dirt become visible).
10.3.1 Replacing the Installation Gasket
10.2 Usage Lifetimes
Part Name
Lifetime
Backup Lithium Battery
Approx. 7 years
(Ambient operating temperature of 25
o
C)
HDD
20,000 hours (motor is ON) or 5 years, whichever comes first.
(Ambient operating temperature of 20
o
C, motor is ON for 333
hours/month - access time is 20% or less)
Backlight
50,000 hours or more
(At an ambient operating temperature of 25
o
C, time required for
backlight to dim to half its original brightness)
Touch Panel
1 million operations/touches or more (Same position)
The PL unit’s consumable parts have the following lifetimes.
10.3 Part Replacement