
If there is any doubt, do not operate the tool. 14. Maintenance. For your safety, service and maintenance should be performed regularly by a qualified technician. The batteries must be changed regularly. This is not a personal safety device. This Carbon Monoxide Meter is not designed to take the place of a home Carbon Monoxide detector. Warning:The warnings, cautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur. It must