Firmware version 8.04For versions V7.0x, V8.00 or V8.02
Firmware version 6.15For versions V6.14, V6.13, V6.12, V6.11, V6.10, V6.00, V5.04, V5.03 (Note: Upgrading to version 7.06 requires repeating calibration, contact Fluke Service Center.)
Firmware version 8.04For versions V7.0x, V8.00 or V8.02
Firmware version 6.15For versions V6.14, V6.13, V6.12, V6.11, V6.10, V6.00, V5.04, V5.03 (Note: Upgrading to version 7.06 requires repeating calibration, contact Fluke Service Center.)