SARK-110
User’s Manual
Rev 1.2.19 January 12
th
, 2020
- 86 -
© Melchor Varela
– EA4FRB 2011-2020
Appendix C:
Upgrading the firmware
The SARK-110
’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/firmware
The downloaded file has the following format:
SARK110-APP-x.y.z.dfu.zip
Where x.y.z is the incremental version number.
The downloaded file must be unzipped to produce an update file in the format:
SARK110-APP-x.y.z.dfu
Procedure:
1. Connect the SARK-110 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. SARK110-APP.x.y.z.dfu to the
SARK’s USB flash drive unit
4. Do a safe eject of the SAR
K’s USB flash drive unit from your computer
5. Power off the SARK-110 and power it on again while simultaneously holding down the
Run/Hold
[
►||
]
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 Navigator B to
select the file to load
8. The firmware upgrade will commence after pressing the Select
[
■
]
button
9. Once complete, press
the “Save Conf”
[
▲
]
button, which will reset the analyzer and
run the upgraded firmware
10. Select
«SETUP»«About»
and check if the firmware version shown on the screen
agrees with the installed one