Pentax 67II - Manual (Page 26)

BASIC OPERATION [PREPARATION]
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Setting the Film
Speed (ISO) Depress the film speed set button. The ISO
indicator on the LCD panel blinks.
While depressing the film speed set button,
move the film speed set lever to change the
film speed.
To change the film speed to a larger number
(higher film speed), move the lever toward the
front repeatedly until the desired ISO appears
on the LCD panel. To change the film speed to
a smaller number (lower film speed), move the
lever toward the back repeatedly until the
desired ISO appears on the LCD panel.
● Holding the lever will
change the film speed
continuously.
● The film speed setting
range is ISO 6 to 6400 in
1/3 EV step increments.
● f and film speed are
always displayed on the
LCD panel when the main
switch is set to the ON
position.
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