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Service Mode for NG Radios
A service mode is available as on previous radios as a diagnosis tool and/or changing radio settings. Entering the service mode varies by the device used to control the radio.
To enter the service mode:
C53KD53 with and without MID: -Turn on the radio, -Within 8 seconds, press and hold the "m" button for 8 seconds. -Scroll through functions using the "+" and "-" keys or the station < > search buttons. -Turn off the radio to end the service mode.
C53 MIR: -Turn on the radio. -Within 8 seconds, press and hold the "SET" button for at least 8 seconds. -Scroll through functions using the station < > search buttons. -Turn off the radio to end the service mode.
BM53 with board monitor: -Turn on the radio. -Press and hold the "RDS" button for at least 8 seconds. -Scroll through the functions using the station < > search buttons -Turn off the radio to end the service mode.
BM53 with Widescreen board monitor: -Turn on the radio. -Within 8 seconds, press the "INFO" button. -From the info screen select RDS -Press and hold the BM control knob for at least 8 seconds. -Scroll through functions using the station < > search buttons. -Turn off the radio to end the service mode
Service Mode Functions
1.Serial Number: Display of the radio serial number.
2.Software version: Display of the radio software version. Displayed as (calender week, year, version)
3.GAL: Speed-sensitive volume control. Can be adjusted from level 1-6 using the 6 pre-set audio buttons. Vehicles equipped with DSP do not use this feature.
4.Field strength and Quality (F/Q): The station currently displayed can be assessed for field strength and quality. An "F" (i.e. F15) number is used to indicate the strength of the signal being received by the radio. This is a good test of the antenna system, station signal, and the radio itself. A "Q" (i.e. Q-00)number is used to determine the quality of the radio station including both the audio and RDS signal if applicable.
5.DSP: This function provides information about whether the vehicle is fitted with DSP. The value is displayed as a one (fitted)or zero (not fitted) and is communicated by the DSP amplifier via the I/K bus.
6.TP Volume: Provides adjustment for traffic report minimum volume. Not used in the US.
7.AF: Alternative Frequency tracking setting. Not used in the US.
8.Area: Used to select the appropriate market setting (USA, Canada, Europe, Japan and Oceania). Adjust using the pre-set buttons.
9.Index: Display of the revision index.
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BMW 1M 2012 - Current
Jeep Grand Cherokee Limited 2011 - Current
BMW E93 330i Convertible 2009 - Sold
BMW E46 320i 2004 - Sold
BMW X5 4.4i 2002 - Sold
VW Golf GTI 2000 - Sold
BMW 740i 1996 - Sold
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