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NG Radios

Functional Overview

NG Radios

Radio Operation with KL R off

Operation is possible with the key off on the C53 and CD 53 radios. If the radio is turned

on with KL R off, it will play at the last stored volume and settings for 16 minutes until the

General Module sends the sleep command. No changes may be made to the radio unless

KL R is switched back on. The radio can be turned on and off as many times desired.

Diversity Antenna

Antenna diversity has been adapted to the new generation of radios. When the radio is in

operation, the diversity control unit is activated by the “RAD ON” signal.

World Frequency Radio

Radios on vehicles sold in the U.S. are world radios. Specific country settings can be made

using the service mode. The settings are stored in an EEPROM.

Car Memory

If programmed, when locking the vehicle using the remote transmitter the:

• last station

• Volume setting

• Last audio mode (Tape, FM, CD etc.)

are stored according to the key number used. Unlocking the vehicle with the same

transmitter will restore the settings. There is a maximum setting for volume which may be

lower than the setting when the radio was last operated.

Clock

Time can also be displayed when KL R is off by pressing the clock button on the

Radio/MID.

Backlighting

The LCM/LSZ produces two signals for the control of radio backlighting.

• Hardwired KL 58g

• Lights on/off over the K/I Bus.

The radio contains a photo-cell for adjustment of backlighting to ambient conditions.

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BMW Radio Bedienungsanleitung Seite 5