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10 Cordless flash mode
The flash unit supports the wireless Sony remote
system “CTRL+”.
The remote system consists of a master flash unit
on the camera and one or more slave flash units.
The slave flash unit(s) are controlled via wireless
technology by the reflector of the master flash unit.
There are four independent remote channels to use
so that multiple remote systems in the same room
do not interfere with one another. Master and Slave
flash units belonging to the same remote system
must be set to the same remote channel.
The slave flash units must be able to receive the
light from the master flash unit with the integrated
sensor for remote mode .
In remote flash mode, the maximum flash range is
not indicated on the flash unit's display panel.
10.1 Remote master mode settings
Remote master mode on the camera is set. For this,
mount the M400 in the hot shoes of the camera and
set wireless flash mode WL on the camera.
After that, the master mode CTRL+ is automatically
activated on the M400.
Remote master mode can only be used and can only
be set if the camera actually supports that mode.
If the camera does not support remote master
mode, it cannot be set and is automatically deleted.
When operating cameras not supporting remote
master mode, the remote slave mode is automati-
cally activated for the M400. The remote channel
between camera and flash unit is automatically
adjusted.
In remote master mode CTRL+, two separate slave
groups RMT and RMTR2 can be triggered and wire-
lessly controlled in the light output by the master
CTRL. The fully automatic wireless TTL flash mode
and the manual flash mode M with 25 unregulated
manual partial light output levels are available as
operating modes.
The type of flash mode for the master and slave
flash units must be selected or set on each flash
unit individually.
In wireless TTL flash mode as well as in wireless
manual flash mode M, the master CTRL and the sla-
ve groups RMT and RMT2 can be used with or wit-
hout ration control (RATIO OFF).
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