Canon 540EZ - Manual (Page 49)

If the TTL Hot Shoe Adapter 3's built-in battery becomes depleted, the flash
charge completion signal will not be transmitted and the flash will not fire. Be
sure to check the battery ievei of the TTL Hot Shoe Adapter 3 before use.
If a cord extension is necessary, up to three connecting cords can be connect­
ed end-to-end for a maximum totai iength of 9m / 30ft.
If the flash units are set to manuai mode, normai manuai fiash firing is possi­
ble.
540EZ Functions When Used In A Multiple Flash
Configuration
540EZ Function Normal flash operationMultiple flash operation
A-TTL automatic flash control • X Note 1
TTL automatic flash control • •
Flash coupling range display • X
Flash exposure confirmation indicator • •
540EZ-based flash exposure compensation • X Note 2
Manual firing/output level control • •
Stroboscopic flash/condition settings • •
Second-curtain synchronization • X Notes
Auto zoom • X
A-TTL infrared pre-flash • X
AF auxiliary light emission • X
SE function when SE is selected • •
Note 1: Even if the A-TTL indicator is dispiayed in the LCD panei, the 540EZ wiii
operate in TTL mode.
Note 2: If flash exposure compensation is set on the 540EZ, the flash exposure
compensation indicator will appear in the LCD panel but the flash output
will not actually be compensated. In multiple flash setups, flash exposure
compensation must be performed on the camera side.
Note 3: Even if the second-curtain sync indicator is displayed in the LCD panel, the
540EZ will operate in first-curtain sync mode.