DOC 6501_Release V
ATS-6501 Users Guide
12
[positioning]
[auto_hours] 1.20000000001
[manual_position]
[altitude] 1.96322500002
[latitude] 3.99227766101
[longitude] -7.75856730601
[mode] auto
[tracking_timeout] 1800
[OK] 2013-08-05T14:28:57Z
C.
To change the value, type
antenna_voltage
and the desired value (0, 5, or 12) and press
enter. The system should respond with “OK”.
ATS-6501>
antenna_voltage 12
[OK] 2013-08-05T14:30:16Z
Note:
If you enter an incorrect value you will get the following error message:
ATS-6501>antenna_voltage 3
Usage: antenna_voltage <0 | 5 | 12>
[ERROR] 2013-08-05T14:30:53Z
D.
You can verify the setting is correct by typing
settings gps:antenna_voltage
and
pressing
enter, this will display the updated user configurable settings.
0 VDC 0.000000000000
5 VDC 5.000000000000
12VDC 1.200000000001
The antenna voltage setting can also be verified using a voltmeter. To verify the antenna
voltage, apply the probes to the ANTENNA connector on the rear panel. The center
conductor should be at a higher potential than the ATS-6501 chassis. This voltage
reading indicates the voltage being provided to the antenna. If no voltage is present then
the antenna is not being powered by the ATS-6501.
E.
If this setting is correct type
save
to save the current user default configuration on the
system to ensure the system provides the proper antenna voltage after a reboot or power
cycle.
2.3.3 Outdoor Antenna Grounding
If an outside antenna is connected to the ATS-6501, be sure the antenna is grounded so as to
provide some protection against voltage surges and built-up static charges. Article 810 of the
National Electrical Code, ANSI/NFPA 70 provides information with regard to proper grounding
of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit,
size of grounding connectors, location of antenna discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode.
2.3.4 Antenna Mask Angle
Adjustment of the antenna mask angle may be necessary for installations with severe multi-path
problems. The mask angle of the antenna refers to the elevation angle above the horizon at which
all satellites above it are tracked. It may be possible to track satellites below the mask angle but
the data is intentionally omitted because it is unreliable. Installations with severe multi-path