Petsafe UltraSmart® In-Ground Fence™ Receiver Collar - Manual (Page 2)

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Important Safety Information
Explanation of Attention Words and Symbols used in this guide
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow this
symbol to avoid possible injury or death.
WARNING indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION, used without the safety alert symbol, indicates a
hazardous situation which, if not avoided, could result in harm
to your pet.
NOTICE is used to address safe use practices not related to
personal injury.
Not for use with aggressive dogs. Do not use this product if your
dog is prone to aggressive behavior. Aggressive dogs can cause
severe injury or death to their owners and others. If you are not
sure that this product is right for your dog, please talk to your
veterinarian or a certified trainer.