Spectra Precision Epoch 25 L1, User Manual

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3
General Operation
22
Epoch 25 L1/L2 GPS System User Guide
3.2
Panel controls
Figure 3.1 shows the controls for the power on/off functions, or receiver reset. The
LEDs provide power, radio, and SV tracking status information.
Figure 3.1 Receiver controls
32.1
Power button
Use the Power button to turn on or turn off the receiver, and to perform the functions
listed in the table below, where:
32.2
LED behavior
The three LEDs on the front panel of the receiver indicate various operating
conditions. Generally:
•
a lit or slowly flashing LED (one that is ”on” or a “slow flash") indicates normal
operation
•
an LED that is flashing quickly (a “fast flash) indicates a condition that may
require attention
•
an unlit LED (one that is “off ”) indicates that no operation is occurring
The following table defines each possible LED state. See also Troubleshooting, page 39 .
To … Do this...
turn on the receiver Press
a
a
“Press” means press the Power button and release it immediately.
turn off the receiver Press
The term … Means that the LED …
Slow flash alternates on/off for 500 milliseconds
Fast flash alternates rapidly on/off for 100 milliseconds
On is lit steady
Off is unlit
Power
Radio
Satellite
Power button