Liquid crystal display, Back*up battery – Canon T 70 User Manual
Page 104
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Liquid Crystal Display
Tr« T7C^$ disp^y panel uses I
iqu
d crystal to krv
d^alo exposure iniormation. /Ule* about 5 years
of normal use. Ihe d^sploy may become hard to
read
The llQuid crystal may respcod relatively slowly
in
low
temoeratures
and
the
display
may
become
dark
at
high
temperatures
{about
60*C/140*F)
Normal
functioning
will
return
vrhen the temperature returns to normal.
Back*up battery
The T7Q has o buill-in back*up battery* v/hich
memonzes the display panel data, such as the
frame counter number end the ISO film speed,
ssren the AA size batteries a^e taken out for re
placemen L Battery [lie is about 5 years. When
voltage
becomes
insultcieni.
''ISO
100"
v/ili
blink (at 2 Hz) on iho display panel alter loading
batteries
for
normal
camera
operations
If
the
bock-up battery* i$ removed, tne memory will be
erased In this case, reset the
h\m
speed.
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