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‒ Enter display group number (from table ) and confirm with Q key.
The measured value block selected is then displayed in standardised form.
List of display groups:
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Display group number
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Indicated on display
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001
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1 = Vehicle-speed signal from speedometer
2 = Voltage term. 30
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002
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1 = Condition of input/reversing light switch
2 = Condition of input/term. 15
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003
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1 = GPS aerial
2 = Condition of GPS aerial remote
power supply
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004
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1 = External display
2 = Function/communication with
external display
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005
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1 = Data bus
2 = Function/communication with
information data bus
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006
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1 = Left
2 = Speed (GALA) in km/h
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007
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1 = Content of function status register
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008
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1 = Front loudspeakers
2 = Condition of front loudspeakers
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010
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1 = Telephone
2 = Condition of input/telephone mute
3 = Telephone
4 = Condition of telephone mute output
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Measured value block 001
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Read measured value block 1
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◂ Indicated on display
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0
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14.1 V
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Voltage term. 30
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Vehicle-speed signal from speedometer
▪ 0 or 1 (8 pulses per tyre revolution)
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Measured value block 002
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Read measured value block 2
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◂ Indicated on display
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Reverse off
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Term.15 ON
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Condition of input/term. 15
▪ Input/term. 15 active =Display "ON"
▪ Input/term. 15 not active =Display "OFF"
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Condition of input/reversing light switch
▪ Input/reversing light switch active =Display "ON"
▪ Input/reversing light switch not active =Display "OFF"
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Measured value block 003
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Read measured value block 3
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◂ Indicated on display
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GPS aer.
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OK
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Condition of GPS aerial remote power supply
▪ OK
▪ Short circuit
▪ Open circuit
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GPS aerial
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Measured value block 004
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Read measured value block 4
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◂ Indicated on display
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Ext. displ.
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OK
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Function/communication with external display
▪ OK
▪ Not OK
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External display (dash panel insert)
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Measured value block 005
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Read measured value block 5
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◂ Indicated on display
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Data bus
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OK
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Communication, information data bus (internal data bus)
▪ OK
▪ Not OK
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Data bus
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Measured value block 006
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Read measured value block 6
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◂ Indicated on display
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Left
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86 km/h
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Vehicle speed calculated as a function of GALA signal with allowance for programmed tyre circumference and number of pulses per wheel revolution
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Speed sender, left
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Measured value block 007
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Read measured value block 7
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◂ Indicated on display
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255
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The content of the function status register is composed of:1)
▪ Wheel circumference adapted = 128
▪ Number of pulses per wheel revolution adapted = 64
▪ GALA pulses detected at least once = 32
▪ CAN communication with dash panel insert OK = 16
▪ Signal from reversing light switch detected = 8
▪ Terminal 15 (ignition ON) detected = 4
▪ Current consumption of GPS aerial OK (10 to 30 mA) = 2
▪ CAN communication with navigation control unit OK = 1
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1) If all eight items listed are OK, the numerical values indicated above are added together and a value of 255 appears in the function status register (measured value block 7). If, for example, GALA pulses were not detected, the value for GALA pulses (32) is subtracted from the value of 255 and the value displayed in the function status register is then 223 (255 - 32 = 223). If the function register shows 244, for example:
255 - 244 = 11; the 11 is composed of 8 (signal from reversing light switch not detected), 2 (current consumption of GPS aerial not OK) and 1 (CAN communication with navigation unit not OK).
Measured value block 008
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Read measured value block 8
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◂ Indicated on display
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Lsp. front
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OK
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Condition of front loudspeakers
▪ OK
▪ Short circuit
▪ Open circuit
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Front loudspeakers
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Measured value block 010
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Read measured value block 10
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◂ Indicated on display
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Telephone
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Off
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Telephone
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Off
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Condition of telephone mute output (to radio)
▪ Telephone in use = "on"
▪ Telephone switched off = "off"
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Telephone
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Condition of input/telephone mute (from telephone)
▪ Telephone in use = "on"
▪ Telephone switched off = "off"
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Telephone
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