Pioneer AVIC-505 Service Manual page 93

3. Ramp Pattern
4. Wide Screen
5. External Connections
Checks external connections. Also, the gyro and remote control receiver keys will be displayed on screen.
6. GPS Reception
Checks GPS reception.
7. Voice Recognition
Used to carry out voice recognition. If the voice is recognized, it is echoed back and the back screen turns blue.
Other recognized words are "Verify", "Test", "Check" and "Recognition".
8. Data Communications
Not used
The ramp pattern is displayed and a sampling frequency of
11KHz, monoral 400Hz sound is generated for thirty seconds.
Checks wide screen and a sampling frequency of 11KHz of
music is generated.
AVIC-505
93