8
7.1.4 Programming unsuccessful
> The LED flashes quickly, 8 Hz�
• Measured value difference too small
• Max� programming time (15 min�) exceeded�
7.1.5 Electronic lock
Lock or unlock the buttons
►
Press [OUT ON] and [OUT
OFF
] simultaneously for 10 s�
> Acknowledgement is indicated by a brief change of the LED switching status�