A SERVICE OF

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Light output index windows
Used
in
M mode
Aperture index window
Used in A mode
Flash mode indicators
selector
, TTL
mode~for
I----
-;..~~~
programmed
TT
L
~
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s
~
c
~
a
~
le
~
w
~
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~
nd
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auto flashlTTL auto
flash operation
Film speed scale window
A
mode~for
non-
TTL auto flash
operation
Film speed index
Film knob
Flash shooting distance range
indicators
The patterned bar (fourth bar from
Ihe
lOp)
shows programmed TTL
aulo
fl
ash information.
Distance scale window
Distance scale selector
Power switch
See page
33
.
Open-flash bullon
For (1) lest firing
in
A mode, (2) multiple
flash exposures (page 42) and (3)
to
turn on
SB-20 a
ft
er
it
is automatica
ll
y turned off
(page 33).
6
M
mode~for
manual flash
operation.
Aperture index knob/light output
selector knob
Used
in
A
an
d M modes
Bounce set indicator
Lighls up when flash head
is
ro
tat
ed.
Ready-light
See page
34
.