AS-1535 SH
User Guide
P.9
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The operating environment (for example: downtown radio-frequency noise, airports,
cellular phone towers…)
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Metal: any type of metal will affect operating range. This includes the metal in the car.
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The shape of the vehicle can affect range as well; vans in general have an especially poor
range.
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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.
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The range will be significantly lower in a crowded parking lot than in open space.
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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.
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The operating range will be somewhat lower on vehicles equipped with an aftermarket or
factory alarm.
