Avital 4111 Guide d'installation télécharger pdf (Page 8)

➢Virtual tach

Virtual Tach is the default RPM-sensing method for new remote start

systems. Virtual Tach gives the installer the performance of a hardwired

tach wire, with the convenience of voltage sensing. It is far superior to

any voltage-sense feature you’ve tried before.

Virtual Tach monitors the cranking voltage of the vehicle using a very

fast micro-controller and an analog-to-digital converter. The micropro-

cessor “saves” the base voltage as a reference. When Virtual Tach

“sees” the slightest uptick in voltage, indicating that the alternator is

charging the battery, the starter motor shuts off instantly.

➢ D2D

The system has the ability to interface with an Xpresskit module through

the D2D port. The advantage to using a D2D interface is that there

is less wiring involved in the installation. Check the Xpresskit module

installation guide to determine which wires are not needed, and which

options are available. For more information visit www.xpresskit.com.

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Avital 4111 Guide d'installation Page 8