Gps information, Gps health – Symmetricom S100 User Manual

Page 75

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S100 User Guide – Rev. D – June 2005

67

2

5

3

The default modulation envelope is AM.

Time Code Settings - This confirms the settings:

Time Code = The time code

in

setting

Code Modulation = The modulation type associated with the time code signal

Time Code Out = The time code

out

setting

Generator Time Offset = This shows any offset to the time code signal being produced by

the timing engine.

Clicking

Reset lets you clear any data you’ve entered, and Submit implements changes

you have made.

GPS Information

This section of the admin menu appears only if you have the GPS option on the S100.

The following items give details on GPS activity:

GPS Health

This screen updates the signal status. This example shows a normal screen.

The error codes are encoded into individual bits within the byte. The bit positions and their
meanings are shown below.

Bit Position

Meaning if bit value = 1

0

Battery back-up failed (1)(4)

1

Signal processor error (1)

2

Alignment error, channel or chip 1 (1)

3

Alignment error, channel or chip 2 (1)

4

Antenna feed line fault (2)

5

Excessive ref freq. error (3)

Figure 4-14: GPS Health Status

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