Spectra Precision Epoch 25 L1, Руководство пользователя

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2
Setup, Connection, and Cabling
14
Epoch 25 L1/L2 GPS System User Guide
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Use the TNC connector to connect a GPS antenna to an L1/L2 Epoch receiver.
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Use the BNC connector to connect the rubber duck radio antenna.
2.3
Setup guidelines
23.1
Environmental conditions
Although the receiver has a waterproof housing, you must take reasonable care to
protect the unit from extreme environmental conditions. Do not:
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use or store the unit where temperatures are likely to rise above 60 °C (140 °F) or
fall below –20 °C (–4 °F).
•
immerse the unit in water
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expose the unit to corrosive fluids and gases
23.2
Sources of electrical interference
Avoid the following sources of electrical and magnetic noise:
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Gasoline engines (spark plugs)
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Televisions and PC monitors
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Alternators and generators
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Electric motors
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Equipment with DC-to-AC converters
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Fluorescent lights
•
Switching power supplies
2.4
Base setup
To set up a base receiver, you must:
1. Connect the TNC cable securely to the GPS receiver.
2. Set up the receiver on a tripod.
Step 1: Connect the TNC cable securely to the GPS receiver
1. Align the cable connector with the receiver receptacle.
2. Thread the cable connector onto the receptacle until it is snug.
Figure 2.3 on page 15 shows the base setup for the receiver.