Volvo Workshop Manuals
XC90 AWD V8-4.4L VIN 85 B8444S (2005)
Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Antenna Control Module > Component Information > Description and Operation > System Overview > Page 14
Antenna Control Module: Description and Operation
The base unit of the antenna module (ATM) (16/110) has the task of receiving and converting AM and FM signals. The antenna signals are converted to
The GPS unit (option) has the task of receiving satellite signals for determining position. The antenna module (ATM) (16/110) transmits two different
a received signal from the GPS satellites. Used by the multimedia module (MMM) (16/108) and the phone module (PHM) (16/60)
a calculated signal. Used by the Phone Module (PHM) (16/60).
The calculated signal is obtained by dead reckoning. The antenna module (ATM) calculates the present position of the car based on the most recent
Traffic message channel (TMC) reception
The traffic message channel (TMC) receiver in the antenna module (ATM) is an option and has the task of receiving traffic information sent by radio.
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