| 1. | Klaxon Home Security System GP10 User Guide A HALMA COMPANY klaxon GP6 GP10 and GP12 Sirens INSTALLATION AND MAINTENANCE 1 Installation a Fix siren to a firm level base at a minimum height of 3m above the ground and free of side or top obstructions b For best all round sound propagation mount the unit at a height of 4 5 to 6m with 50m clear radius all round c Figure 1 overleaf shows a polar plot of the sound output from the sirens in free space Please note that the propagation of sound in air is affected |
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