CH9720 Programmable DC Electronic Load Instructions Chapter III Menu Operation
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All information about the system of the machine and the installed modules are displayed. No
changes can be made to this page.
3.2.10 Data Correction Page
This page is the load data correction page. It is mainly used for data verification before the
load is shipped from the factory. It requires password support to enter.
3.2.11 Firmware Upgrade Page
The upgrade function can only be enabled after the U disk connected to USB (HOST) is
effectively recognized.
The instrument can be easily upgraded to the firmware. If there are software problems
during the process, you can contact BEICH Electronics Co., Ltd. at any time.
Upgrade the firmware as follows:
Step 1:
Download the upgrade file provided by the company. The file name generally
includes the instrument model and the extension is 97F.If it is a compressed
package, please decompress it;
Step 2:
Copy it to the root directory of the formatted FAT32 or FAT16 U disk;
Step 3:
When the instrument is to be upgraded, insert the U disk into the USB-HOST
interface on the front panel.
Step 4:
After the U disk is successfully installed, select the “Firmware Upgrade” menu
to enter the firmware upgrade display page, and display the list of upgrade
files on the U disk (up to 10). The file name is displayed by the instrument
model and update time.
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N
ote: The instrument only displays up to 10 upgrade files. You can use the PC file
manager to delete some invalid files.
