Parker Pro Display 10 Instruction Book
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4.3.3. Microphone input
Microphone input is provided. Microphone input can be used for both general and
hands-free purposes. Microphone input volume is adjustable with software. This input
has a bias voltage output for electret microphones.
Table 7: Microphone input- specifications
Feature
Spec
DC input impedance
2 kOhm
Maximum input voltage
215 mVrms
Bandwidth
35 Hz – 16 kHz/-3 dB
Bias voltage:
2,5V (typical)
MICROPHONE
PRO DISPLAY
MIC
BIAS
MIC IN
MIC_P
MIC_N
MIC_BIAS
C2:11
C2:10
C2:12
Figure 6: Pro Display microphone input
4.3.4. FM radio tuner
RDS FM radio tuner is one of the audio sources in Pro Display. A connector for attaching
an external antenna into Pro Display is also provided. FM radio feature is selectable so
that either FM radio or Audio line inputs serve as the audio source.
Pro Display radio includes complete RDS-FM tuner functionality with seek tuning within
76 to 108 MHz frequency range, automatic frequency and gain control features, as well
as volume control and adaptive noise suppression.
NOTICE: Check the supported software features for RDS-FM Radio before
application software creation.
4.3.5. Wireless communication
4.3.5.1. WLAN 802.11
Pro Display can be connected to wireless local area network (WLAN) access points.
This makes it possible to connect to external networks via mobile phone and use, for
example, online map provider services. Standards IEEE 802.11b, 802.11g and
extension 802.11n are supported.
Parker has an example application called “Settings”. This example application can be
used for scanning available access points and to make connections with desired access
points.