User Manual

Turn on the flash unit

For a test flash, press the Pilot button.

To turn off the flash unit manually, press

the On/Off switch for 1 second.

Press the On/ Off switch and Pilot button

turns red, showing the unit is turned on.

In a few seconds, the Pilot button turns

green. The i400 is ready to shoot.

Indicator Lamp A on.

MENU DIAL

i400 Flash Mode and Functions

Rotate the dial to select a function.

Flash light is fully controlled by the camera for the

most proper exposure.

Full Automatic Mode

TTL Program Mode

Manual Setting Mode

…

Flash light is automatically controlled by the camera

but the flash exposure value can be compensated.

Manual Mode -Selecting the desired manual power

on the flash unit.