Mounting The Flash Unit; Switching The Flash Unit On And Off - Metz mecablitz M400 Mode D'emploi

3.2 Mounting the flash unit

Mounting the flash unit on the camera
Turn off the camera and flash before mounting or
removing.
Removing the flash unit from the camera
Turn off the camera and flash before mounting or
dismounting.
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3.3 Switching the flash unit on and off

If the flash unit will not be used for an extended
period of time, we recommend that you switch off
the flash unit with the
power source (disposable/rechargeable batteries).
3.4 The selection menu (MODE)
MODE
AUTO,
TTL
TTL BL*
M
GN
LED,
MASTER
SLAVE,
SERVO,
F1 / F2
button and remove the
TTL
TTL BL