Instructions For Buttons - J.P. SELECTA 2101520 Manual De Instrucciones

1.9 Instructions for buttons
Log function button, turn on/off the log function.
Maximum and minimum button. Press to check the maximum and minimum value of all the recording
data.
Backlight on/off button.
On/Off button
Notice:
1）Press and
2）Data logger has alarm message system only when data logger is under logging status.
simultaneously to lock and unlock data logger.