Avionics Innovations DMP-200 (MP3 Player) Operation Manual User Manual
Page 22
DMP-200 USERS GUIDE
PAGE
22 OF 24
P/N DMP8011-00 REV C
5) After “Speech #2” completes, “Song #8” will not resume. Instead, the DMP-200
becomes idle, which causes the “Continuous Mix” to be selected. Continuous
Mix will then choose a random music track, which will start at its beginning.
The final situation is that after all triggered audio tracks are completed; the DMP-200 will
always be playing some kind of music. In many applications, this is exactly the desired
effect.
7.0
Troubleshooting and Error Messages
7.1
Troubleshooting
Here are a few common problems and their potential causes:
Symptom
Possible Causes/Solutions
No audio, even though
display shows track
playing.
•
Volume turned down. Last volume setting is retained between
power cycles, and previous user may have turned volume way
down. Push-and-turn knob to change volume.
•
Invalid MP3 file used. The DMP200 will not play MP3-PRO, MP4
(AAC), WAV or WMF files.
•
MP3 file recorded at an extremely low volume level. Try playing
the file on a PC to make sure it is audible.
External triggers do not
work, or a track triggers
repeatedly.
•
Incorrect active levels selected. Each trigger must be configured
to be active high or active low, depending on the installation.
Refer to the DMP200 Installation Manual for details.
•
Trigger inputs were not installed with pull-up or pull-down resistor.
One or the other must be present, depending on the installation.
Refer to the DMP200 Installation Manual for details.
Display is too bright or
too dim.
•
The display is set to one of eight levels of brightness at installation.
This selection cannot be changed in normal operation. It must be
changed from SETUP mode. Refer to the DMP200 Installation
Manual for details.
Tracks being played do
not match the description
on the display.
•
In CardPrep, “Update Settings Only” was selected on the
Create Card tab even though MP3 tracks were changed. This
button may only be used when items such as Triggers and
Attributes have changed, but not the actual MP3 tracks.
Regenerate the card using the Create Card button.