14
714AA SODAR
A300 Audio Greeter
VEH DET+
8
9
VEH DET-
J9
PRESENCE
4
3
GRD
Note: If 714AA contains optional relay,
use terminals 8 and 9.
Note: If 714BA contains optional relay,
use terminals 9 and 10.
714BA SODAR
A300 Audio Greeter
VEH DET+
8
9
VEH DET-
J9
HI
6
5
GND
Figure 10. Installing the A300 Audio Greeter with the 3M Sodar Vehicle Detector
A300 Audio Greeter Troubleshooting Guide
Problem Possible
Cause
Solution
1. Low outbound volume to
the menu sign speaker.
1. The NIGHT STATUS light
on.
2. The MENU SPKR VOL
potentiometer is set too low.
3. Defective menu speaker or
A300.
1. Press the DAY/NIGHT button until the
NIGHT STATUS goes off.
2. Increase the setting of the MENU
SPKR VOL potentiometer, located on
the left side of the A300.
3. Measure resistance of speaker and
verify that it works properly. If not call
for authorized service.
2. Cannot
record
message.
1. External microphone not
connected.
2. External
microphone
defective.
1. Verify that external microphone plug is
fully inserted into microphone jack J6.
2. Use internal microphone (internal
microphone is automatically selected
when external microphone is
unplugged).
3M
Food
Services
Trade
Department
Printed in U.S.A.
3M Center
3M 2002
St. Paul, MN 55144-1000
78-6912-0717-5 Rev. G
