Metz mecablitz 64 AF-1 digital Mode D'emploi page 1487

Acoustic signals after the flash unit has been
turned on:
• A short (about two seconds) uninterrupted
beep signal after turning the flash on indi-
cates that the flash unit is ready.
Set Beep signals when adjusting automatic
mode settings:
• A short beep signal as an alarm in automa-
tic mode indicates that the aperture and
ISO settings exceed the permissible light
control range. The auto aperture of the
mecablitz is then automatically adjusted to
the next permissible value.
11.10 Locking / unlocking
The setting on the flash unit can be locked
against unintended changes.
To lock or unlock, hold down the
button for approximately 3 seconds.
On the screen, all the sensor buttons are
shown in white and can no longer be acces-
sed.
Only the INFO sensor button can be pressed.
11.11 Connecting a power pack
(accessory)
A power pack (accessory) can be connected
to the flash unit using port .
You need a connection cable (special acces-
sory) to connect the power pack.
The power pack extends the operating time
of the flash unit and provides faster flash
recycling times.
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