Result
• The display automatically returns to the measurement view.
• The display automatically changes between the measured values every 12 seconds.
• The symbol for button lock "LL" and the measured value ID are displayed alternately.
Operating (SITRANS TF)
7.3 Locking the device
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB
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