Canon 550EX - Manual (Page 120)

Slave unit SE mode
cancellation:
Specifications
Power source:
External power sources:
SE mode:
Custom Functions:
While the slave unit’s SE mode is in effect, the slave unit turns on when a
flash is fired.
The slave unit's SE mode can be canceled by the foltowing wireless operations:
(1) When the master unit's test firing button is pressed.
(2) When the camera's FE lock button is pressed.
Internal power sources:
(1) Size-AA alkaline LR6 batteries (6 V) x 4
(2) Size-AA Nicad KR15/51 batteries x 4
* Size-AA lithium FR6 batteries (6 V) x 4
(1) Compact Battery Pack CP-E2
Size-AA alkaline LR6 (AM-3) batteries (9 V) x 6
(2) Transistor Pack E
Battery Magazine TP with size-C alkaline LR14 (AM-2) batteries (9 V) x 6
Ni-Cd Pack TP (NR-SC Ni-Cd batteries x 6 in sealed pack)
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.
Function
Custom
Function No
Setting Description
FEB
cancellation
alter com pletion
CF-1
0 Enabled
1 Disabled
FEB
sequence
CF-2
0 Correct exposure, underexposure, overexposure.
1 Underexposure, correct exposure, overexposure
Flash
m etering
system
CF-3
0 E-TTL
1 TTL
Slave unit
SE m ode
activation
CF-4
0 Activate after 60 m in. of non-operation.
1 Activate after 10 m in of non-operation.
Slave unit
SE m ode
cancaliatlon
CF-5
0 Enable SE m ode cancellation by m aster unit for 1 hour
Enable SE m ode cancellation by m aster unit for 8 hours
M odeling
Nash
CF-6
0 Enabled
Disabled
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.
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