Zenith10/20 GNSS Series - 21 -
Installation Guide
© 2011 GeoMax AG, Widnau, Switzerland
Select your serial port number and the baudrate values as shown below.
Choose File Open… from the menu bar and open the HEX file that was included in
the downloaded ZIP data. Click the Write Flash button.
The update process takes approximately 5 minutes. WinLoad will display a completion
message, once the update is done. The serial cable can now be unplugged.
Switch the receiver off and on before reconnecting to Assistant. In the Information
window, the installed firmware version can be confirmed.