.,
15
Recommended batteries
The
batteries used are in accordance with the
lEC
standard,
No. 86-6FlOO.
Type
Make
Country
of
origin
439 Pertrix England
P.P.9 Berec
England
276 Eveready
U.S.A.
495
EMCE
Germany
Maintenance
A.
THE CABINET
If
the cabinet becomes soiled it can, after removal (
chapter
V-B), be c1eaned
with so
ap
and water,
or
with a light scouring agent.
B.
THE SEGMENT SWITCHES
When the segment switches
no
longer function properly due to dirty
coutacts, they
can
be
treated with switch oil (for code
uumber
see
chapter
XI-A). This oil has cleaning and lubricating properties.
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