Parker Pro Display 10, Инструкция, Страница: 16 / 53

Parker Pro Display 10 Instruction Book 16/53
Header Link to Contents
• FM radio (selectable with audio line input)
• Microphone input (internally connected to audio codec and Bluetooth module)
• Module internal (digital audio from module)
Table 5: Audio Line IN specifications
Feature Spec
DC input impedance 13,3 kOhm
Maximum input voltage 1 Vrms
Bandwidth 4 – 28 kHz/-3dB
Figure 4: Line input
4.3.2. Audio line output
There is one optional unbalanced stereo line output that is able to connect 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.
Table 6: Audio Line OUT specifications
Feature Spec
Output impedance 150 Ohm
Maximum output voltage 0,5 Vrms
Bandwidth 7 Hz – 20 kHz /-3 dB
PRO DISPLAY
AUDIO
LINE OUT
AUDIO_GND
SPEAKER R
SPEAKER L
AUDIO_LINE_OUT_R
AUDIO_LINE_OUT_L
C2:5
C2:4
C2:6
EXTERNAL AUDIO
AMPLIFIER
Figure 5: Pro Display line output. Picture shows connection principle for two channels. It
is possible to also utilise single channel if this would be adequate for the end application.
PRO DISPLAY
AUDIO
LINE IN
AUDIO_LINE_IN_R
AUDIO_LINE_IN_L
EXTERNAL AUDIO
SOURCE
C2:6
C2:8
C2:9
AUDIO_GND