1.8
LCD display instructions
Temperature values display (double display on model 2101522)
Symbol for backlight.
Symbol for alarm, it will alarm when temperature setting limits will be exceeded.
This symbol shows that data logger is being supported by external power—DC 9V.
This symbol shows that data logger is connected with PC and you can download all the recording data.
This symbol shows that all buttons are locked.
Battery indication
This symbol shows that SIM card inset well.
This symbol shows that buttons are unlocked
This symbol shows that data logger is being the recording status.
Display area for recording numbers
Display area for year/month/date/time; alternate display.
Symbol for humidity unit
Symbol for temperature unit
Symbol for temperature unit