Pentax 645 - Page 25

1) Exposure compensation button
2) Film speed button
3) Mode button
Exposure compensation, film speed and mode
selection are activated by depressing the "up"
(front) or "down" (rear) selecting button
while depressing one of the three mode buttons.
The depressing action of the button concerned
will cause the LCD to flicker.
4) LED button
The LED display circuit is activated by slightly
depressing the shutter button. When the LED
is not lit by this operation, depress the LED
button to light the LED. To turn it off depress
the LED button once again.
5) LCD illumination button
Should the LCD indication appear somewhat
dim in a dark area, the LCD window can be
further illuminated by depressing the LCD
illumination button to cause the indicator to
become clearly visible.
The light will go out by repeating the button
depressing action; should the illumination be
kept lit, it will still turn off automatically in
approximately 12 seconds due to the built-in
timer.
Displays in LCD Window
6) LCD mode indication
Auto, P, 1000 to 15", FI.7 to 45, M, 60,
B, LS, i ,6to6400 [ISO]
7) Exposure compensation LCD
+3 ~ 0 ~ -3 (3 steps each for -i- and -)
8) LCD exposure count
120 film = 1 to 16
220 film = 1 to 31
70mm film = 1 to about 90
Film Advance Indication and Selecting Buttons
9) LED film advance indicator
This LED indicator is lit during the film winding
operation.
10) Selecting buttons
These two "up" (front) and "down" (rear)
buttons are operated to select the desired
photographing mode, shutter speed and
aperture value; to adjust the film speed; and to
set exposure compensation.
Even when film is loaded in the camera, it is not
possible to operate mode button or selecting
buttons unless the film counter is set to the frame
number ready for shooting, viz., the first frame or
subsequent.
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