1. The Product Range Ionisation smoke detector Optical smoke detector Heat detector Multisensor detector Manual call Device

2. Discovery Features Drift compensation for smoke detectors Full R-o-R processing for heat detector Multi-mode operation Transient rejection Flashing LED Self-test

3. Self-test Based on proven methods used in XP95 range On-board processor controls and evaluates test Available on all detectors using standard XP95 command bit

4. Flashing LED Option Selectable as an option via the engineer’s setup menu LEDs flash when polled

5. Drift Compensation Monitors long-term drift Maintains clean air value close to 25 Adjusts levels to maintain sensitivity Operates in all modes Independent of protocol Transparent to control panel

6. Compensation in Action Time (hours) Analogue value Raw analogue value Compensated analogue value 55 25 Alarm threshold Fire outbreak

7. Compensation Limit Time (months) Analogue value Raw analogue value Compensated analogue value 55 25 Alarm threshold Limit of compensation

8. Normalisation Time (hours) Analogue value Raw analogue value Compensated analogue value 55 25 Alarm threshold Normalisation (Rapid update)

9. 25 55 Analogue Value Smoke Level Clean air Alarm level Mode 5 Mode 1 Mode Comparisons

10. Benefits of Multisensor Smoke-only mode Heat-only mode Multisensor modes give uniform response to broad range of fire types High sensitivity available

11. Multisensor Modes

12. Heat Detector Modes

13. The Best Detector for the Job?

14. To Front Screen