SARK-110-ULM
User’s Manual
Rev 1.0 June 22
th
, 2019
- 54 -
© 2019, Melchor Varela
– EA4FRB
Appendix B:
Upgrading the firmware
The SARK-110-ULM
’s firmware may be upgraded via USB as described in the following steps.
This procedure assumes you have downloaded the appropriate update file from:
http://www.sark110.com/files/sark110ulm/firmware
The downloaded file has the following format:
SARK110ULM_Vx.y.dfu.zip
Where x.y is the incremental version number.
The downloaded file must be unzipped to produce an update file in the format:
SARK110ULM_Vx.y.dfu
Procedure:
1. Connect the SARK-110-ULM to the PC with a USB cable
2.
Locate the SARK’s USB flash drive unit using the File Explorer of your PC
3. Copy the firmware file, e.g. SARK110ULM_V.x.y.dfu to the S
ARK’s USB flash drive unit
4. Do a safe ejec
t of the SARK’s USB flash drive unit from your computer
5. Power off the SARK-110-ULM and power it on again while simultaneously holding down
the Run/Hold [ ] button. Then press the Enter [ ] button.
6. The Device Firmware Upgrade screen prompts you to install the firmware file
7. If several firmware files are on the
SARK’s USB flash drive unit, use left or right arrow
buttons to select the file to load
8. The firmware upgrade will commence after pressing the Enter [ ] button
9. Once complete, press the Enter [ ] button, which will reset the analyzer and run the
upgraded firmware
10. Press the Setup [
] button, select
«About»
and check if the firmware version shown on
the screen agrees with the installed one