UK7UKPut the control unit/receiver into learn mode (consult the relevant section in the controlunit/receiver’s Installation and Programming Guide).Radio Learning Press and hold the test button for three seconds. The detectortransmits its identity by radio (and also gives the alarm tone).Infra-red Learning Remove the batteries. Hold the detector so that the activity LEDpoints at the IR learn sensor on the receiver. Make sure the activityLED on the detector is as close as possible to the IR learn sensor.Wait at least 60s after removing the batteries and then re-fit thebatteries. (This ensures that the DET-RSMOKE starts up correctly.)The activity LED flashes eight times. The infra-red part of the lightcarries the detector’s identity to the learn sensor.Activity LED ControlDuring normal operation (when the unit isnot in alarm) the activity LED flashes onceabout every minute. It is possible to disablethis feature by operating the Dip switch a)next to the batteries, see Figure 4.a) Activity LED flashes once about everyminute during normal operation.b) Activity LED does not flash. b )Figure 4