
Parker Pro Display 12 Instruction Book
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4.3. Infotainment
4.3.1. Audio line I/O
This product has one unbalanced stereo line I/O that can be configured to “Audio Line
IN” or “Audio Line OUT” -mode.
Audio input volume is adjustable through the use of software. Microphone input and
warning tones can be mixed to any selected audio source.
There are five different audio sources to be selected to use with Audio Line IN -mode:
•
Bluetooth audio
•
Audio line input (selectable with FM radio)
•
FM radio (selectable with audio line input)
•
Microphone input (internally connected to audio codec and Bluetooth module)
•
Module internal (digital audio from module)
When Audio Line I/O is configured to Audio Line OUT mode, its working like normal Line
Output. In Line IN mode this I/O is normal Line Input.
Table 5: Audio Line IO specifications, Line IN- mode.
(See Line OUT -mode specification from table 6)
Feature
Spec
DC input impedance
11,5 kOhm
Maximum input voltage
1 Vrms
Bandwidth
10 Hz – 26 kHz/-3dB
PRO DISPLAY
AUDIO
LINE-
IN
AUDIO_LINE_IN_OUT_R
AUDIO_LINE_IN_OUT_L
EXTERNAL AUDIO
SOURCE
C2:6
C2:8
C2:9
AUDIO_GND
Figure 4: Audio Line I/O working as Line input -mode.
4.3.2. Audio line output
There is one optional unbalanced stereo line output which can be connected to an
external amplifier. Output amplitude can be adjusted through the use of software.
There are two audio outputs to be selected:
•
Audio line output (to external amplifier)
•
Digital audio to module (record). Recording is disabled by default in Pro Display.