Motorola MBP481A User Manual page 20

Cannot hear sound or baby crying from the Parent Unit
• The volume level in the Parent Unit may be set too low. Increase the volume
level of the Parent Unit. Refer to section 3.4 for volume level settings.
• The Parent Unit and the monitoring Baby Unit may be out of range with each
other. Reduce the distance between the units, but not closer than 1 metre.
The baby monitor system produces a high-pitched noise
• The Parent Unit and the Baby Unit are too close to each other. Make sure the
Parent Unit and Baby Unit are at least 1 metre away from each other.
• The speaker volume of the Parent Unit may be set too high. Decrease the
volume of the Parent Unit.
Battery pack in the Parent Unit is running low quickly
• The LCD brightness may be set too high. Try to decrease the brightness
level. Refer to section 3.5 for details.
• The volume level of the Parent Unit may be set too high which consumes
power. Decrease the volume level of the Parent Unit. Refer to section 3.4 for
volume level settings.
Parent Unit is not in colour
• The Baby Unit is in a dark room, which causes the infra-red illumination to
turn on and the picture image to change from colour to black and white.
When the light increases in the Baby Unit room, the picture will return to
colour.
20 Troubleshooting