HMF2525 / 2550: Firmware-Update A Firmware-Update can be done with an USB-Stick. Please make sure that the memory stick is FAT or FAT32 formatted; NTFS will not be supported:
1. Please ...
HMF2525 / 2550: Level settings If the level settings are not symmetric to 0 (high level / low level asymmetric), the OFFSET key has to be also pressed. Then the device can display the correct ...