User's Manual

The color of
radio transmission confirmation lamp changes depending on the transmission
status of the master unit and the slave unit.
5. Check the operation
Press the master unit’s test flash button (charge lamp). The slave unit flash will fire. If
not, check that it is placed within the operation range.
Remote Release
While performing wireless shooting, you can release camera shutter remotely from
slave unit that using the Phottix Laso receiver. Simply by pressing function button 4
< >on the Phottix Laso receiver, you can perform remote release (remote control
shooting). For master unit operations, see instruction manual of the Phottix Laso
transmitter, Canon ST-E3-RT Speedlite transmitter or flash based on personal choice
of transmitting devices.
USB port
The firmware of the Phottix Laso
receiver can be upgraded via the USB port, so as to
adjust its parameter and extend its compatibility with cameras to come in the future.
1.1 Connect the USB cable to the computer and the other end of the USB cable to the
Phottix Laso receiver’s USB port. A mobile device icon will be displayed on the
computer when successfully connected.
1.2 Double click to start the upgrade software. The upgrade software can be used to
check version info, and upgrade the Base software, RF software and Icon.
Click "Version" icon, the current version information of the connected Phottix Laso
transmitter will be displayed in the software window.
Click "Base software" icon, locate and double click on the FDS file from the pop-out
window. Then it starts loading the new firmware.
Click "RF software" icon, locate and double click on the RFC file from the pop-out
window. Then it starts loading the new firmware.
Color Status Description Action
Green Lit Transmission OK -
Lit No connected Check the channel and ID
Too many units Master Units + slave units = 16units
or less
Red
Blinking
Error Turn the power off and on again
Blue Lit Shortly lit when
Phottix Laso
receiver sends
flash or remote
release order