Question
How is the firmware updated on the TL23?
Summary
Workflow to update firmware TL23
Answer
1. The firmware comes as bin file. Prepare a USB memory stick; extract the image.BIN to the
root directory of stick (e.g. H:\image.BIN).
2. Plug in the USB memory stick to the USB port.
3. Press and hold power key for about 5 seconds until yellow LED is on, a progress bar will
be displayed on the screen as below.
4. When upgrade is finished, the instrument will automatically reboot.

root directory of stick (e.g. H:\image.BIN).
2. Plug in the USB memory stick to the USB port.
3. Press and hold power key for about 5 seconds until yellow LED is on, a progress bar will
be displayed on the screen as below.
4. When upgrade is finished, the instrument will automatically reboot.