Fujitsu fi-4860C Operator's Manual page 253

3. Display the cumulative lamp-on time
You can check the cumulative number of lamp-on time.
1) Press (Next button) or
<Screen53>.
2) At <Screen53>, press
<Screen53-1> is displayed.
[F: XXXXXXXX] indicates the cumulative lamp-on time for the Front-side lamp.
[B: XXXXXXXX] indicates the cumulative lamp-on time for the Back-side lamp.
The unit of lamp-on time is minute.
3) Press
redisplayed.
230
7.5 Test Mode Details
(Previous button) and let LCD display
<Screen53>
T 0 3
(Start button) or
<Screen53-1>
L A M
(Stop button) or
D e v i
c e
(Enter button). Then
f s
P F O f : x x x e
B : x x x
(Exit button). Then <Screen53> is
L i f e
x t x x x x
x
x x x x