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Troubleshooting poor transmitting range – Autostart AS-1725iSH User Manual

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User Guide

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for 3 sec: .................Cold Weather Mode

Troubleshooting Poor Transmitting Range

Many factors may affect the operating range of the transmitter. Some of these are:

• The condition of the battery in the transmitter.

• The operating environment (for example: downtown radio-frequency noise, airports, cellular

phone towers…)

• Metal: any type of metal will affect operating range. This includes the metal in the car.

• The shape of the vehicle can affect range as well; vans in general have an especially poor

range.

• 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.

• The range will be significantly lower in a crowded parking lot than in open space.

• 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.

• The operating range will be somewhat lower on vehicles equipped with an aftermarket or

factory alarm.