BLM 3750 User Guide User Interfaces
9836 3078 01 Edition 2.0 25 (78)
Battery not connected or failing, or output fuse burnt
Wrong battery or battery charger fault
Charge time exceeding the limit
Wrong battery or battery fault
Input AC power non connected or input fuse burnt
Temperature too high, fan fault
Battery voltage < 20V and battery charger turned off
3.11 Hardware Protection Key: System Backup
The BLM 3750 bench contains a hardware protection USB key; which provides the following features:
• System backup: Test bench settings and calibration data.
NOTE: Personal documents are not saved in the backup! Traces saved during tests
on the bench are included in the backup only if saved in the default C:\BLM
3860\3860Front folder
• Hardware protection function (if the key is not present the bench software is not started)
• Special functions enabling
• User profile
NOTE: The user profile provided by hardware protection key does not have
access to the bench calibration and advanced bench settings
This key performs different backups:
• Daily backup
• Weekly backup
• Factory backup