How to enter a supervision time higher than 1275 seconds through the faceplate of the receiver.
By default the unit of measurement for supervision time is set to seconds. When set to seconds, the range of values is from 0 - 1275 seconds. To change this unit of measurement through the faceplate, browse to option 7.1.10 and change its value to 2. This will set the supervision unit of measurement to hours. When set to hours, the range of values is from 0 - 255 hours.