User manual

SIGLENT
SDM3055 Digital Multimeter 53
Firmware Update
The software of the Multimeter can be updated directly via USB flash drive,
updating current software version to desired software version.
Operating Steps:
1. Copy the update file to the USB flash drive.
2. Insert USB flash drive to USB host interface on the front panel of the
Multimeter.
3. Press → →【Test/Admin】→【Firmware Update】, then press
【Browse】and select the update file. Next, press【Update】→【Yes】to
start updating the system software.
4. After accomplishing update, the screen shows message:
” Firmware Update Done!” Then you can move the USB flash drive
away.
5. Restart the Multimeter and check the version information.
Press → →【System Setup】→【System Info】to check if
the software and hardware version after updating is in accordance with
the desired version. If not, the updating is failed and you need update
once more as the above steps.
6. After checking, press【Done】to exit the system information interface.
NOTE:
Don’t cut off the power during the instrument is updating