Resource Details

Updates to the device firmware may be made available from time to time.  This firmware resides in flash memory and can be updated via the USB interface.  The main firmware version shows on screen while booting and can be checked using the *IDN? query from the remote interface. 

The 1908P uses three firmware files; one for the unit control, one for the USB interface and one for the RS232/LAN/LXI interfaces.  This version is a complete firmware update for the 1908P with control firmware V1.09, USB firmware V1.03 and Interface firmware V1.09. This firmware is for the 1908P only: the 1908 has a different set of firmware files linked to below.:

Control Firmware Versions:

• V1.02 included improvements to the Vac measurement linearity. Please be aware that moving from 1.01 to 1.02 or later may affect the Vac measurement calibration.
• V1.03 fixed a problem with the diode measurement mode.
• V1.04 to 1.06 were for production / calibration functionality
• V1.07 changes the way the internal measurement log file is handled to improve memory usage
• V1.09 improves LAN performance

Interface Firmware Versions:

• V1.07 includes LXI/LAN code updates to fix mDNS related network dropout issues and a regression introduced in V1.06.
• V1.08 provides LXI improvements
• V1.09 improves LAN performance

USB Firmware Version 1.03 fixes a potential USB data corruption issue.

This firmware is applied using the Firmware update utility linked to below which also includes instructions.