How to update Standalone Doser firmware

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GHLControl App

About Doser SA firmware updates

Firmware updates allow your Standalone Doser to benefit from the newest available features and improvements. With the use of GHL Control Center and USB connection, you can update the firmware of your device by closely following the steps shown below.

What you will need

In order to do this kind of update, you will need the following:

Windows computerFor connecting to your GHL device via USB on GCC
USB cableFor connecting to your GHL device via USB
GHL Control Center installedFor performing the firmware update
Preliminary step: Download and install GHL Control Center

Before you proceed with the steps below, you must first download the newest version of GHL Control Center. This will allow you to have access to the newest firmware version for your GHL device.

To download GCC, visit our downloads page and install the program to your PC.

Performing the firmware update

1. Open GHL Control Center (GCC) and connect to your GHL device via USB

Not sure how to connect?

If you are not sure how to connect, follow the steps shown here to connect via USB. Once you are connected, you may proceed with the steps below.

Always backup your settings BEFORE a firmware update!

Before proceeding with a firmware update, we highly recommend you backup your device settings. Doing so will ensure that you have a backup of your original settings if you need them. Depending on how large of a firmware jump you are doing, it is possible you may need to use your backup file to restore your original controller settings.

To backup your controller settings and probe calibration data, click the Backup and restore tab.

  • Select Transmit all settings from Doser to file to create a backup file of your settings

2. Click the Extras tab, then select Firmware update

3. Click “I understood settings…“, then click Continue

4. Click NEXT, the Doser will now go into bootloader mode (GHL Logo light on top of device will turn OFF)

5. Click Device manager and check the COM number of the “USBVCOM” driver

6. Type-in the COM port number that is shown on your Device Manager for this “USBVCOM” driver, then click NEXT

For example, since the illustration above shows that this driver is on COM 5, we entered COM 5 here…

7. GHL Control Center will automatically select the newest firmware version for your Doser, click NEXT to begin the firmware update

If you would like to choose a different firmware version, click the folder icon here:

Firmware update will now begin…
During this process, there will be a pop-up displayed. This pop-up message will go away on its own within a few seconds. If it does not, you can press OK.

8. When you see this screen, click NEXT

9. Click Finish to close this window

10. Power cycle (Power OFF / ON) your device to complete the update. On bootup, your GHL Doser will startup with the newly updated firmware version.

Need to restore your settings?

If the firmware update reverted your doser to factory settings, you can restore your original settings by reconnecting to the doser, clicking the Backup and restore tab and selecting Transmit from file to GHL Doser. Navigate to the location of your backed up file and select it to upload it to the Doser.

You can also restore your settings via GHL Connect by following the steps shown here.


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