Petri? V6 - Replacing the Mercury Battery

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Replacing

the

Mercury

Battery

Unscrew

the

metal

cap,

which

is l

ocate

d

at

the

bottom

of

the

Meter

by

turning

in an

anti-clockwise

direction.

Replace

with

a

new

Mercury

Battery

and

ensure

that

the

positive

(+ )

is

facing

the

,

outside

of

the

battery

compartment.

Mercury

Battery

suitable

for

use

with

this

meter

is :

Rotate

the

Shutter

Speed

Dial on

the

CdS

Exposure

Meter

to

the

right

or

left

until

a sli

ght

click

is

heard,

wh

ich i nd

icates

th

at

it

has

engaged

with

the

Sh

utter

Speed Dial

of

the

camera.

Point

the

camera

at

the

subject.

Turn

the

" H-

O-L"

Switch

to

the

" H "

posi

·

tion

when

usin

g

under

normal

daylight

condi-

tions

.

The

" L "

position

is

set

when

the

lighting

is

poor.

M

allory

PX

-

13

Mallory

RM625

Eveready

E625

Nation

al

MID

Toshiba

TH

·MC

GE

.

625

Select

the

shutter

speed,

which

is

indicated

by

the

red

line

on

the

left

hand

side

of

the

meter

. Read

off

the

aperture

indicated

by

the

red

indicator

needl

e

by

following

the

Guide

Lines

le

ading

from

th

e

indicator

needle

to

the

aperture

scale.

Tran

sfer

t~is

aperture

to

the

diaphragm

of

the

camera

lens.

In

order

to

remove

the

meter

,

it

must

be r

emembered

to

press

in

the

lock

at

the

side

of

the

meter.

In

order

to

conserve

the

life

of

the

Mercu

ry

Battery,

turn

the"

H·O·L "

sw

itch

to

the"

0"

position

when

the

meter

is

not

in use.

l'i

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