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AS-1725 SH Guide d’installation P. 9
x The operating environment (for example: downtown radio-frequency noise, airports, cellular
phone towers…)
x Metal: any type of metal will affect operating range. This includes the metal in the car.
x The shape of the vehicle can affect range as well; vans in general have an especially poor
range.
x The shape of the roof and A-pillars brings about considerable radio-frequency deflection (in
this case the signal from the remote control). As a result, the direction in which the vehicle is
facing in relation to the remote control can affect the range. Straight on – standing in front of
the vehicle – generally gives you the greatest range; the second best performance is from the
back. Using the remote control from either side of the vehicle will usually give the lowest
range.
x The range will be significantly lower in a crowded parking lot than in open space.
x Always hold the transmitter high, approximately at shoulder height. Holding the transmitter
against your chin will also increase your range: your head acts as an antenna.
x The operating range will be somewhat lower on vehicles equipped with an aftermarket or
factory alarm.