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LCD on
the
camera
(Fig.
12-A)
LCD
on
the Film Holder (Fig.
12-8)
Example:
The dark slide is still
on
.
(Fig.
12-C)
UNREADY INDICATIONS
LCD on
the
LCD
on
the
Items to
be
checked
Camera
Film Holder
ill
•
Dark Slide insertion
m
•
Year/mon
th/day/hour/minute are being
cor-
-,:
.
rected
;
ISO
is being set,
Serial
number is
be-
. -
-·
D
ing
corrected
.
.'
:"
•
Bar
code reading error
•
A
film
which
has
no bar code is used under
D
ISO/AUTO
mode.
:
Blinking
Q:'-
Contact of
Lens
mounted portion
-::0
'
~
The
AE finder
ill
is not used, but
th
e
Shutter
_.
(1_
Speed Selector
has
been set to
D
.
":
'.
:;:
When an instant film holder
I
is
mounted,
A
always blinks
.
In this
case, even if
A
is blinking, the camera can be operated by
setting
the
Mode Switch to MULTI.
When an instant film holder
II
is
mounted,
A
goes
out.
:;:
When the Collapsible Finder Hood is used
and
the Shutter Speed
Selector has been set to
D
,
unready
warning
is generated. Use the
D
mode when using AE finder
ill
only.
(2)
Ab normal camera behavior (Fig.
13)
If the Shutter,
Mirror,
or Film Holder behaves
abnormally
during expo-
sure, or when
a
communication
trouble
occurs
,
the back-up light
and
signs and
marks
of
the LCD on the Camera
blink,
and
the LCD
(part in
the
abnormal
behavior)
on
the Roll Film Holder
ill
blinks
also.
Further, the Electronic Warning Buzzer will sound 12 times
,
and all cam-
era
movements will
stop.
:;:
When the above warning
is
issued, in practically
all
cases the
cause
of
the trouble is poor Lens
or
Roll Film Holder
ill
contact.
If
you
think
that is the trouble spot, dismount the Lens and/or Roll Film Holder
ill,
and clean the contact areas thoroughly with an air
blower.
Then
,
ad-
vance the first one frame
,
and check the camera
operations
.
•
The GX680
ill
monitors the condition
of
the
Mirror,
Light Shield
,
and
Film Transport Unit with
a
photo-coupler
and stops all
camera move·
ments
in case of
trouble
.
This safety measure has been
adopted
to
avoid
the
worst possible situation
that
can
be
encountered
in picture
taking
,
that
is,
making the serious mistake of shooting with a dam-
aged camera and getting unexposed frames
.
:;:
When the contact across the roll film holder
ill
and camera
is
poor,
A
will
blink,
the camera illustration will go out in the LCD on the roll film
holder
ill
,
and the battery mark wi
ll
light or
blink.
2. INCORRECT-EXPOSURE WARNING MONITOR
(Fi
g.
14)
When a subject is photographed, light passes through the lens and
ex-
poses the film, but it is reflected back at the same time
.
The light
sensor
in the camera body detects the quantity of light that is reflected back
and
indicates the amount of exposure that has been furnished on the LCD
of
the
camera
body.
.
:;:
The exposure amount furnished is indicated on the LCD regardless of
the nature
of
the
exposing
light
,
be it daylight, tungsten
light,
or
flash
light.
More than
2
stops over (Fig.
14-A)
Within
2
stops over or under (Fig. 14-
8)
More than
2
stops under
(Fig.
14-C)
(1)
1m
sign
If the aperture and shutter speed are set so that exposure will come
within 2 stops over or under,
1m
sign lights to indicate that the exposure
is proper.
(2)
Plus(+)
or
Minus(-
) sign
If the
aperture
and
shutter
speed are
set
so that exposure will be more
than 2 stops over
or
under,
"+"
or
"-"
sign lights to indicate the
exposure
is
improper.
This
will give
you a rough idea (right after you finish taking
a
shot)
of the
kind
of exposure
you
will get, and also
point out the
aperture and shut-
ter-s
peed
setting
mistake you made
. Moreover,
if you
are
usi
ng the
Remote-control Shutter Release
ill
and
the exposure
you
have
set is
more than
2 stops
over
or
under,
an
electronic
warning
buzzer
(700Hz)
will
buzz intermittently for five seconds
.
:;: If the camera is not loaded with film
,
the internal
sensor will
measure
the light reflected by the fi lm pressure plate, normally causing the
"-"
sign to
light.
:;:
Be
sure
to
set the
camera for the
speed
of the film
you are
using
.
(Refer to "USING THE ROLL FI LM HOLDER
ill" -
Setting film speed
(ISO).)
:;:
If you
are
using an Instant
Film,
this function will not operate
.
:;:
Since the reflection index of roll film may differ by
about one
f-stop
between
brands,
this indication should be used only as
a criterion
.
Likewise,
the
indications
will
also
vary depending
on
the reflectivity
of
the
subject, which
could be high
key,
low
key,
white or black.
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