Innova 3320 Owner's Manual page 5

Safety Precautions / Warnings
Do not hold the instrument when taking measurements.
Place the instrument on a clean, insulating surface prior to
taking any measurement.
Don't become part of the circuit. Think safety. Act safely.
If working on a vehicle, take the following added precautions:
Only work on vehicle in a well ventilated area.
Always wear safety eye protection.
Avoid moving fan blades or any potentially moving parts.
Avoid hot engine parts.
Put transmission in "park" (automatic transmission vehicles)
or "neutral" (manual transmission vehicles). Set the parking
brake.
Turn the ignition "off" before connecting or disconnecting
any testing equipment.
Put blocks on drive wheels.
Avoid wearing loose clothing or jewelry when working on a
vehicle.
Read your vehicle's service manual and follow it's safety
procedures.
3