Canon Speedlite Transmitter ST-E2 Instructions Manual

COPY

.

Thank you for purchasing a Canon product.

Speedlite Transmitter ST-E2 is a wireless transmit

-

ter which can control up to two Speedlite 550EX
groups set as slaves.
The transmitting range is about 12 to 15 meters

/

39.4 to 49.2 ft indoors and 8 to 10 meters / 26.2 to

32.8 ft outdoors. With Type A cameras (EOS

-

3, EOS

Elan

IIIIIE, EOS 50/50E, EOS 500NlRebel

G,

EOS

IX.

EOS

IX7AX

Lite), the ST-E2 can execute the fol

-

lowing operations through wireless control:

E-?"rL autoflash

High-speed sync (FP flash)
FE lock
Flash exposure compensation
Manual flash (Flash output set with Speedlite)
Multi-flash firing (Set with the Speedlites)

This Instructions booklet assume that a Type A cam

-

'

era is used with the ST-E2.

With Type H cameras (EOS cameras except 'I'ype

A

models), the ST-E2 can be used only for manual

flash and multi

-

flash photography. See pages 23

to 27 in this booklet and the Speedlite

550EX

Instructions.

Symbols used in this Instructions booklet:

0:

Warning for preventing camera or ST-E2
malfunction.

a:

Supplementary notes for using the ST-E2
with the camera.

:'&:

Helpful tip for using the ST-E2 and taking

-

,

AF-askt dea'm to areak.

-

I

I

With the EOS-3, the following operations are also

possible: Flash ratio control between two Speedlite

slave

P~OUDS.

modeline flash firing. and linkage of

C€

The

CE

Mark

is a Directive cunformity

mark

of

the

European

Community

(ECl

pictures.

Keep this Instructions booklet handy for future

reference.

1.

This digital apparatus does not exceed the Class

B

limits for radio noise emissions frnrn digital appara

­tus as set out in the interference-causing equipment
standard entitled

"

Digital Apparatus", ICES-003 of

the Industry Canada.

COPY

Contents

1.

Nomenclature

................................................................................................................

22

2.

Readying the ST-E2

.......................................................................................................

23

3.

Readying the

550EX

(Slave Setting)

............................................................................

25

4.

Basic Wireless E-TTL Autoflash Operation

.................................................................

26

5.

Wireless Multi-Flash E-TTL Autoflash Operation

......................................................

29

6.

Applications

...................................................................................................................

33

7.

Troubleshooting

.............................................................................................................

34

Specifications

.......................................................................................................................

.35

Note

All

the operation instructions in this booklet assume that the ST

-

E2 and other relevant equipment are

already turned on. Before proceeding, make sure the

ST-E2

and other equipment are on.

I

I

This device complies with Part

15

of the

FCC

Rules. Operation is subject to the following two conditions:

(1)

This device may not

cause harmful interference, and

(2)

this device must accept any interference receivcd, including interlilrence that may cause

undesired operation.
Do not make any changes or modifications

to

the equipment unless otherwise specified in the instructions. If such

changt.s

or

modifications should be made, you could

be

required to

stop

operation of the equipment.

This equipment has been tested and found to

conlply with the limits for a class B digital device, pursuant

to

part

15

16

the

FCC

Rules. These limits arc designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference

to

radio communications.

However, there is no

guarantec that interference will not occur in a particular installation. If this equipment does cause harmful

interference

to

radio or television reception, which can be determined by turning the equipment off and on, the user is encour;~g-ed

to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Consult the dealer or an experienced radiolIli technician for help.

21

COPY

1.

Nomenclature

Front

Rear

Battery compartment cover

Flash ratio

cuntrol lamp

,+I"-assist beam emlttor Channel intl~cat,~r

<

PILOT > I'ilot. I:im

Shoc

lt~k slider trnnsmission button

High-speed synr (FI'

fl:~:

<

0

,:Turns

off

thr 11rnr.er.

<

I

>:Turns on thr po\rer.

<

HOLD

>:

Retains the cur-

rent settings

u,hilo thr switch

position is

I

.

All lr:,nsmiLter
controls except the tPet trans­mission button

;ire

~lis:$blcd.

COPY

2.

Readying

the

ST-E2

(I)

Installing the Battery

Use one lithium 2CR5 battery

(sold separately).

1

Slide the battery compartment
cover as shown by the arrow
and remove.

Install the battery in the orien

-

tation shown in the compart

-

ment.

Install the battery compart

-

ment cover to close the battery

compartment.

About the battery

If

the battery contacts are

soiled, improper electrical con

­tact may result. Before
installing the battery, wipe the
battery contacts with a clean
cloth.

When to replace the battery

Replace the battery if it takes

30

sec. or longer for the red pilot

lamp to light after you set the
main switch to

<

I

>

or

<

HOLD

>.

(2)

Attachment to the
Camera

Push in the ST-E2's mounting

1

foot all the way into the camer

-

a's hot shoe.

Slide the shoe lock slider as
shown by the arrow.

(The lock

pin protrudes to lock

the

ST

-

E2 onto the camera.)

To remove the

ST-152,

slide the

shoe lock slider

in

the opposite

direction (the

lock pin retracts)

and

slide off the

ST-EP.

COPY

Readvine the ST-E2

The hot shoe on the EOS 650,
EOS 620, EOS 750, and EOS
850

will not couple with the
lock pin. The ST-E2 can still be
attached to these cameras, but
it cannot be locked onto the hot
shoe.

(3)

Turning

On

the

Power

1

Turn the main switch to

<

I

>.

The main switch has the follow

-

ing three positions:

<

0

>

:

Turns of'f'the powcr.

< I >

:

Turns on the powrr.

<

HOLD

>

:

The settings which

were set at the

I

switch position

arc frozen. All transmitter con

­trols exccpt the test trtinsmis-
sion button are disabled. This

prevents inadvertant alteration

of

transmitter settings.

When

transmission is possible,

2

the pilot lamp lights

in

red and

the

5

icon lights in the camera

viewfinder.

0

When the 5 icon lights in the
camera viewfinder, it indicates
that the ST

-

E2 is able

to

trans

-

mit. When Speedlite 550EX

is

rechareed and readv to fire. its

AE-assist beam emiiter blinks.

Q

If the ST-E2

is

on and not

used for

90

sec., the SE

(Save Energy) feature takes
effect and turns off the
power automatically to save
battery power. The ST

-

E2
turns back on when the
shutter button or test trans

­mission button is pressed.
With a Type A camera (EOS-

3,

EOS Elan IIIIIE, EOS

50/50E, EOS 500NIRebel

G,

EOS IX. EOS IX7IIX Lite)
equipped with E-ITL, the ST-

E2's E-ITL indicator lights.

COPY