Press in Alarm mode to toggle the alarm icon ( \bell ) or the hourly chime icon.
This requires breaking the circuit (series connection). Never attempt on a live high-voltage circuit without proper training. kt 908 instruction manual
The is more than a quick start sheet—it is a legally binding safety document and technical reference. Keep it near your workbench. Better yet, download a digital copy to your phone. Press in Alarm mode to toggle the alarm
Automatically records and stores MAX/MIN values for temperature and humidity. The is more than a quick start sheet—it
Hold for 2 seconds to set the alarm time using [ADJ] .
The instruction manual does not prescribe applications, but best practices include:
| Problem | Possible solution | |---------|------------------| | Unit won’t turn on | Check power connection; recharge battery | | Wrong measurement | Run calibration (Menu → Calibration) | | Poor print quality | Clean print head with soft cloth; use genuine labels | | Bluetooth not pairing | Reset device (pin in battery compartment: 0000 or 1234) | | LCD shows “ERR 01” | Sensor/probe not connected |