Setup guidelines, Environmental conditions, Sources of electrical interference – Trimble Outdoors R7 User Manual
Page 30: Tr imble r7 operation

3 Setting up the Receiver
1 8 Trimble R7/R8 GPS Receiver User Guide
Tr
imble R7 Operation
3.3
Setup Guidelines
Consider the following guidelines when setting up the Trimble R7.
33.1
Environmental conditions
Although the Trimble R7 has a waterproof housing, reasonable care
should be taken to keep the unit dry. Avoid exposure to extreme
environmental conditions, including:
•
Water
•
Heat greater than 65° C (149° F)
•
Cold less than –40° C (–40° F)
•
Corrosive fluids and gases
Avoiding these conditions improves the receiver performance and
long-term reliability.
33.2
Sources of electrical interference
Avoid the following sources of electrical and magnetic noise:
•
Gasoline engines (spark plugs)
•
Televisions and PC monitors
•
Alternators and generators
•
Electric motors
•
Equipment with DC-to-AC converters
•
Fluorescent lights
•
Switching power supplies