Canon SPPEDLITE 577G User manual

INTRODUCTION

The

Speedlite

577G

Canon’s

most

powerful

electronic

computer

flash

unit

with

many

impressive

au¬

tomatic

and

professional

features.

With

Canon

SLR

cameras,

goes

well

beyond

the

conventional

mean¬

ing

automatic

flash

photo¬

graphy.

Canon

New

F-1,

A-1,

AE-1

PROGRAM,

AE-1,

AL-1

AV-1

camera,

will

automatically

switch

the

shutter

speed

the

flash

sync

speed

1/60

second.

(1/90

sec¬

ond

the

case

the

New

F-1.)

Even

the

aperture

will

set

auto¬

matically

for

the

New

F-1

(Shutter-

Priority

Mode),

A-1,

AE-1

PROGRAM,

and

AE-1

long

the

lens

“A”.

using

one

the

New

F-I’s

A-I’s

slower

shutter

speeds

de¬

sirable,

that

possibie

too.

Flash

photography

with

the

577G

easy

turning

its

power

switch,

selecting

one

three

apertures

sliding

one

switch

and

waiting

for

its

pilot

lamp

glow.

Its

many

spe¬

cial

features

and

accessories

offer

all

the

necessary

options

for

obtaining

beautiful

and

professional

results.

For

control

shadows

and

better

modeling

the

subject,

the

flashhead

tilts

upward

120°

and

swings

the

left

and

right

120°

each

way.

Its

unique

bracket

design

insures

quick

release

the

flash

unit

for

varying

the

distance

between

the

flash

and

the

camera.

And

since

has

carefully

mated,

separate

sensor

which

remains

the

camera’s

hot

shoe,

correct

ex¬

posure

obtained

even

when

the

flash

itself

not

aimed

directly

the

subject.

The

577G

normally

covers

the

angle

view

lenses

having

focal

length

least

35mm,

but

with

its

Wide

Adapter

577G-24,

flash

photo¬

graphy

can

also

done

with

28mm

lenses.

Even

flash

photo¬

graphy

with

20mm

lens

can

accomplished

attaching

the

Wide

Adapter

577G-20,

optional

ac¬

cessory.

With

special

synchro

cords

which

are

available

the

market

for

connecting

other

Canon

Speed-

lites,

synchronized

multiple

flash

another

option.

Since

the

Canon

Speedlite

577G

does

not

have

internal

power

source,

use

the

Canon

Tran¬

sistor

Pack

which

accepts

either

six

C-size

batteries

the

Canon

rechargeable

Ni-Cd

Pack

TP,

required.

BAS/CS

Assembly.....p.6

Transistor

Pack

G.....p.9

How

Automatic

Flash

Control

Works....p.11

Setting

the

ASA

Film

Speed.p.

Setting

the

Shutter

Speed...p.

Setting

Aperture

the

Flash...p.

Setting

the

Aperture

the

Camera.p.

Pre-Shooting

Checks.p.

Shooting.......p.

Flash

Head

Slow-Sync

AUTO/MANU

Switch

Transistor

Pack

Connecting

Socket

Synchro

Cord

Socket

Auto

Shooting

Distance

Range

Scales

ASA

Fiim

Speed

Setting

Dial

Attachment

Groove

for

Wide

and

Tele

Adapters

Aperture

Selection

Window

Aperture

Selection

Switch

Tilting

Angle

Indicator

Window

AUTO/MANU

Switch

Pilot

Lamp

(Flash

Test

Button)

Auto

Check

Lamp

Sensor

Unit

Socket

Positioning

Groove

Bracket

Coupling

Tightening

Screws

Slide

Lock

Release

Button

Threaded

Attachment

Point

Camera

Placement

Positioning

Groove

Tripod

Screw

Socket

Bracket

Coupling

Socket

Motor

Drive

Adapter

Attachment

Site

Framing

Guides

Tripod

Socket

Screw

Wide

Adapter

577G-24

Lock

Nut

Synchro

Cord

Socket

Sensor

Connecting

Plug

Coupling

Index

Pilot

Lamp

Power

Switch

ASSEMBLY

Slide

lock

button

left.

While

holding

in,

pull

flash

section

apart

from

camera

support.

Align

the

index

the

clamp

with

positioning

groove

the

grip.

Screw

large

tripod-type

screw

into

the

threaded

end

the

groove.

After

sliding

clamp

grip,

re¬

tighten

the

two

screws

flash

section.

Adjust

position

support

be¬

fore

completing.

Align

flash

section

with

camera

support

section

and

push

them

together.

(1)

racket

Camera

Slide

the

lock

button

the

flash

section

the

bracket

the

left

and,

while

holding

the

button

in,

separate

the

flash

section

from

the

camera

support

section

(Photo

1).

Screw

the

large

tripod-type

screw

into

the

camera

support

section

the

bracket

the

screw

thread

one

end

the

groove

(Photo

2).

Screw

the

tripod-type

screw

part¬

way

into

the

tripod

socket

the

camera's

base.

Before

screwing

the

rest

the

way,

shift

the

camera

support

back

and

forth

untii

the

ridges

across

the

front

are

right

against

the

front

the

camera.

Make

sure

the

camera

not

sitting

top

these

ridges.

Aiso

adjust

the

support

sideways

for

the

best

fit.

Then

finish

tightening

the

screw

(Photo

3).

(2)

racket

577G’s

Grip

ith

coin

similar

object,

loosen

the

two

large

screws

the

flash

section.

Separate

the

clamp

from

the

rest

the

section.

Align

the

index

the

clamp

with

the

positioning

groove

the

grip

and

slide

the

clamp

far

around

the

grip

you

want

(Photo

4).

Realign

the

flash

section

with

the

clamp

and

retighten

the

two

screws

(Photo

5).

The

clamp

should

positioned

the

grip

that,

when

assembly

com¬

pleted,

the

flash

will

facing

straight

ahead,

the

same

direc¬

tion

the

lens.

(3)

lash

Section

Camera

Support

Section

Align

the

flash

and

camera

support

sections

the

bracket

and

push

them

together

(Photo

6).

The

lock

button

the

flash

section

will

spring

the

right

when

the

two

parts

are

locked

together.

♦

separate

the

two

sections

the

bracket,

slide

the

lock

button

the

flash

section

the

left

and

push

in.

The

lock

button

must

also

this

position

for

cou¬

pling

the

two

sections

above.

(4)

Sensor

Unit

G20

Camera

and

Flash

Rather

than

having

built-in

sensor,

the

577G

has

separate

one

which

slips

into

the

camera’s

accessory

shoe.

very

finely

attuned

the

particular

Speedlite

577G

with

which

comes

that

can

give

the

best

results

possible.

Loosen

the

sensor’s

lock

nut

and

slide

into

the

camera’s

acces¬

sory

shoe

that

its

eye

facing

forward.

the

accessory

shoe

hot

shoe,

careful

push

the

sensor

all

the

way

that

pro¬

per

electrical

connection

will

made.

Then

tighten

the

lock

nut.

connect

the

sensor

with

the

577G,

align

the

index

the

plug

the

end

its

cord

with

the

index

the

577G’s

sensor

socket

and

push

the

plug

all

the

way.

the

camera

does

not

have

hot

shoe,

Synchro-Cord

op¬

tional

accessory,

must

also

attached.

See

31.

•

flash

coupler

must

used

attach

the

sensor

the

Canon

F-1.

Three

are

available

op¬

tional

accessories.

Flash

Coupler

especially

for

this

combina¬

tion.

Flash

Coupler

may

also

used.

♦

Since

the

577G

and

the

sensor

provided

with

are

carefully

matched

each

other,

they

should

considered

set.

not

use

the

577G

with

different

sensor

unit

G20.

TRANSISTOR

PACK

This

accessory

provides

power

for

accessory),

which

rechargeable.

Speedlite577G.

The

Ni-Cd

pack

should

fully

Proper

Batteries:

Six

new

C-size

al-

charged,

kaline-manganese

batteries

the

Canon

Ni-Cd

Pack

(optional

Turn

off

the

transistor

pack’s

Insert

the

set

six

alkaline-

Insert

the

transistor

pack

into

power

switch.

manganese

batteries

into

its

case

and

rehook

the

cord.

battery

magazine

TP.

Align

the

plug’s

index

with

Turn

transistor

pack’s

Turn

577G’s

AUTO/MANU

the

577G’s

power

source

power

switch.

Lamp

switch

AUTO

for

auto¬

socket

index.

Push

plug

into

should

light

up.

matic

flash

control,

socket.

Unhook

the

Transistor

Pack

G’s

cord

from

its

case

and

remove

the

pack

from

the

case.

Turn

off

the

transistor

pack’s

power

switch

(Photo

1).

Insert

the

set

six

al¬

kaline-manganese

batteries

into

battery

magazine

illustrat¬

ed.

Then

align

the

contact

the

magazine

with

the

transistor

pack’s

and

insert

the

one

into

the

other

(Photo

2).

Insert

fully-charged

Ni-Cd

Pack

into

Transistor

Pack

the

same

way

battery

magazine

inserted.

Reinsert

the

transistor

pack

into

its

case

shown

the

photo.

Then

rehook

the

cord

(Photo

3).

Align

the

index

the

piug

the

end

the

transistor

pack’s

cord

with

the

index

the

577G’s

ex¬

ternal

power

source

socket.

Push

the

piug

securely

into

the

socket

(Photo

4).

Turn

the

transistor

pack’s

power

switch.

The

lamp

the

power

switch

should

light

(Photo

5).

Make

sure

the

usual

preparations

described

the

following

pages

have

been

made

camera,

flash

and

lens

and

wait

for

the

577G’s

pilot

lamp

glow.

Then

take

the

picture

(Photo

6).

The

transistor

pack’s

operation

lamp

glows

long

the

power

switch

and

there

power.

However,

even

when

glowing,

the

batteries

should

replaced

with

new

ones

the

Ni-Cd

Pack

should

recharged

the

flash

unit’s

recycling

time

be¬

comes

longer

than

usual.

When

the

batteries

wear

out,

re¬

place

all

them

the

same

time

with

set

new

ones

which

are

all

the

same

brand.

you

not

expect

use

Tran¬

sistor

Pack

for

long

time,

re¬

move

the

alkaline-manganese

batteries

from

the

magazine.

Ni-

Pack

may

left

inserted

but

the

power

switch

must

off

prevent

corrosive

battery

leakage

and

other

potential

dam¬

age.

•

sure

the

transistor

pack’s

power

switch

off

whenever

not

use.

•

Should

the

battery

temperature

rise

continuous

shooting

with

C-

size

batteries,

you

may

rest

ease,

for

normal

condition.

There

protective

lining

be¬

tween

Battery

Magazine

and

Transistor

Pack

Before

using,

remove

this

lining.

may

thrown

away.

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