How to switch to Daylight Savings Time? October 08, 2024 23:37 The DST Switch is located in the battery compartment. By default, it is set to Auto and will automatically adjust the time in March and November. To add or deduct and hour slide the switch to +1 or -1 hour. Related articles How to switch Daylight Savings Time? iDL43 iBTW281V2 How to switch to Daylight Savings Time? How to turn off and reset the alarm when sounding?