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Where to find PM600 Firmware?

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Please see attached firmware files.
Version 23.102 is for PM650s.
Version 12.1 is for PM600/620s.

In order to determine if you need to upgrade the Firmware follow the steps below:

From the Power Meter display
  1. Press the Mode button until “Diagnostics” is displayed.
  2. Press the Select button to enter the Diagnostics mode. Continue to press the Select button until you reach the “F/W OS Version” screen.
  3. If the F/W OS Version number is greater 20.000, but less that 23.102, use PMP_OS_23102A.fw. If the F/W OS Version number is less than 20.000 (for example, F/W OS Version number 12.100), do not attempt to download version 23.102 to your Power Meter, as this will make the Power Meter inoperative. Use PM_OS_12100.fw if the F/W OS Version is less that 12.100. 
  4. Press the Mode button to return to the modes list.
  5. If required, follow the instructions for upgrading your firmware in FA237920.
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