• The reception of the signal is not strong enough

• Please fully extend the antenna of this device or place the device at different location to get better reception.

• Electrical interference from some home appliances such as TV, computer, fluorescent lamp, may cause the noise

• Please keep this device and its antenna away from these home appliances to avoid the interference

The information on this page applies to the following models: AJ4200/79 , AJ4200/12 .