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Mercury Battery Loading and Checking
The built·in exposure meter of the Canon FTb functions
only when the mercury battery is properly loaded
.
1
Insert a coin into the groove of the battery compartment
cover and turn it to the left to remove.
2
Face the central contact
(8
)
of the mercury battery
inwards and insert.
3
Replace the cover by turning it to the right.
•
Before inserting, wipe off the fingerprints or stains from
the battery poles with a dry cloth.
Otherwise, the meter
may not function due to imperfect contact, and dirty poles
may cause corrosion and damage the contact points of the
camera
.
•
A 1.3 v M20 (#625) mercury battery should be used-
equivalent to Mallory PX ·625
,
Eveready EPX·625
.
•
Be sure to insert the pattery in the correct direction by
referring to the diagram on the compartment cover
.
Other·
wise, the cover cannot be properly screwed in
,
•
When the camera is not to be used for a
long
period, reo
move the mercury battery and keep the camera in a dry
place
.
10
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