Firmware Upgrade - Promaster ST1 Manual

Advanced Applications
Firmware Updates
The ST1 has a USB service port located next to its PC sync
port.
While the ST1 is designed to work with cameras presently
available in the market, it may require firmware updates as
new cameras and speedlights are released, or as cameras
are updated with new firmware Refer to www.promaster.com
for the most recent firmware.
To update the ST1's firmware:
①
Turn off the power. Hold down the test button.
Connect to a computer using a USB-MINI cable.
②
③
Use the PC terminal software to update the firmware.
Before updating the firmware, remember to turn off
the power.
USB-MINI cable sold seperatey.
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