FIRMWARE UPGRADE and CALIBRATION
Function Screen/Mode
Cables/Wiring
9.1
Calibrate volts
MAIN>RDU SETUP
Hold ‘D’ for 3 secs. to allow access to
Upgrade and Calibrate functions
RDU + RDU cable
Plug RDU into power source with known voltage. Increment/decrement to match voltage. Save
twice
9.2
Calibrate Current (amps)
Plug RDU into power source. Discharge at known current. Increment/decrement to match amps. Save
twice
.
9.3
Upgrade Emeter II
Firmware version
Before switch-on, press Buttons ‘A’, ‘B’, ‘C’
and ‘D’ while switching power to Emeter II
SD card
Firmware loader process checks for file EMFW.bin on SD card and, if found, loads the new firmware version into the Emeter II.
9.4
Upgrade RDU
Firmware version
MAIN>RDU SETUP
Hold ‘D’ for 3 secs. to allow access to RDU
Upgrade function
SD card + RDU + RDU Cable
Firmware loader process checks for file RDUFW.bin on SD card and, if found, asks the user for confirmation before upgrade.
NOTE: v2.09 firmware contains identical features to v2.08, but fixes several bugs:
1) Intermittent FAIL to save RDU configuration settings
2) Peak RPM not accurate if user enters RDU setup while motor test in progress
3) If atmospheric pressure abnormally low at RDU power ON time, HEIGHT data corrupted
