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Figure 7-3
HW key behind the display (placed on the right pins)
Note
Important
In this mode, with the HW key installed, many parameters in PDM are opened. If these
parameters are changed, it can seriously affect the meter accuracy and operation. Be careful
when writing new parameters.
Changing the HW-protected parameters
1. Disconnect power supply to transmitter, i.e. battery plug and the mains power supply
2. Remove frame and display from transmitter.
3. Insert HW key vertically on right pins as shown in figure above.
4. Remount display and frame on transmitter.
5. Restart device.
6. Make parameter changes via PDM.
7. Download parameter changes to device.
8. Remove HW key by following the steps above.
Functions
7.4 Hardware key
FUS380/FUE380
Operating Instructions, 09/2016, A5E00730100-AB
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