120 specifications – Canon 550 EX User Manual

Page 120

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120

Specifications

Slave unit SE mode

While the slave unit’s SE mode is in effect, the slave unit turns on when a

cancellation:

flash is fired.
The slave unit's SE mode can be canceled by the following wireless operations:
(1) When the master unit’s test firing button is pressed.
(2) When the camera’s FE lock button is pressed.

Power source:

Internal power sources:
(1) Size-AA alkaline batteries

× 4

(2) Size-AA nickel-hydride batteries

× 4

* Size-AA lithium batteries

× 4

External power sources:

(1) Compact Battery Pack CP-E2

Size-AA alkaline batteries

× 6

Size-AA nickel-hydride batteries

× 6

(2) Transistor Pack E

Battery Magazine TP with size-C alkaline batteries

× 6

Ni-Cd Pack TP (NR-SC Ni-Cd batteries

× 6 in sealed pack)

SE mode:

With the power switch set to SE, the Speedlite enters the SE mode as
follows:
• On-camera master unit enters the SE mode after 90 sec. of non-use.
• Slave unit enters SE mode after 60 min. (or 10 min. with CF-4) of non-use.

Custom Functions:

Dimensions (mm) and Weight:

80 (W) x 138 (H) x 112 (D), 405 g
3.1 (W) x 5.4 (H) x 4.4 (D) in, 14.2 oz

• All data are based on Canon’s Standard Test Method.
• Subject to change without notice.

Function

Custom

Function No.

Setting

Description

CF-1

0

Enabled

1

Disabled

CF-2

0

Correct exposure, decreased exposure, increased exposure.

1

Decreased exposure, correct exposure, increased exposure.

CF-3

0

E-TTL

1

TTL

CF-4

0

Activate after 60 min. of non-operation.

1

Activate after 10 min. of non-operation.

CF-5

0

Enable SE mode cancellation by master unit for 1 hour.

1

Enable SE mode cancellation by master unit for 8 hours.

CF-6

0

Enabled

1

Disabled

FEB
cancellation
after completion

FEB
sequence

Flash
metering
system
Slave unit
SE mode
activation
Slave unit
SE mode
cancellation

Modeling
flash

08. F073-E (99~) 02.4.1 2:16 PM Page 120

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