Canon Speedlite EL-5 - Manual (Page 4)

4
Communication Functions
Compliance standards IEEE 802.15.4, ARIB STD-T66
Communication method
Primary modulation: OQPAK
Secondary modulation: DS-SS
Transmission frequency 2405-2475 MHz
Channel
Channel 1-15
Setting: Auto / Manual
Wireless radio ID
0000 to 9999
Setting: Manual
Transmission range*¹*² Approx. 98.4 ft. / 30 m
Groups
Up to 5 groups (A-E)
* Sender units are set to Group A
Number of possible units
for communication
Up to 16 units of senders and receivers in total
Max. sender units
Up to 15
* Secondary and additional units serve as sub-senders
Max. receiver units Up to 15
*1: Without any obstructions between senders and receivers, and without radio interference from other devices.
*2: Transmission range may be shorter depending on factors such as how units are arranged, the surrounding
environment, and weather conditions.
Transmission Status Display
Transmission status
Display
lamp LCD Panel
Sender Receiver
Connected Yes
Yes
On (in green)
Sender,
Receiver
Not Connected
Off
Sender,
Receiver
Too many units/Error
Sender,
Receiver
Sub-sender On (in green) Sub Sender
Confirmation of linked shooting Yes On (in green) RELEASE
Wireless Firing Control
Wireless firing control via radio transmission
Flash Mode
E-TTL II / E-TTL autoflash
Manual flash
Stroboscopic flash
Group firing
E-TTL II / E-TTL autoflash
Manual flash
Auto external flash metering
E-TTL II / ETTL autoflash
details
ALL
A:B
A:B+C
Manual flash details
ALL Flash output setting : 1/ 1024* 1,2 to 1/ 1
A+B
A+B+C
Stroboscopic flash details
Flash count 1-100
Flash frequency 1-500 Hz
ALL
A+B
A+B+C
Off
Yes
Yes
Yes
Yes
Flash output setting : 1/ 1024 to 1/ 4
Flash output setting : 1/ 1024 to 1/ 4
Flash output setting : 1/ 1024* 1,2 to 1/ 1
Flash output setting : 1/ 1024* 1,2 to 1/ 1
Flash output setting : 1/ 1024 to 1/ 4
1: Minimum of 1/128 for high-speed sync
2; Speedlites not supporting minimum flash output of 1/1024 fire at a level close to 1/1024