Hands Free Farm RANGER, Руководство пользователя

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USING RANGER
HANDSFREEFARM.COM
20
Testing Antenna Voltage
The RANGER antenna is powered by the console via the antenna wire. Using a voltmeter, test the antenna voltage
to verify the console is supplying power to the antenna and that the antenna cable is not damaged.
1. Power down the console, disconnect the antenna cable from the antenna (leaving the antenna connected
to the console), then power up the console.
2. Set the voltmeter to VDC, then measure the voltage output across the antenna cable. It should measure
+5 VDC between the center conductor and exterior connector shell.
•
If the measurement is +5 VDC across the antenna cable, then neither the cable nor the console is
damaged (antenna voltage test complete).
• If the measurement is not +5 VDC across the antenna cable, continue at step 3.
3. Power down the console, disconnect the antenna cable from the console (the antenna cable should not be
connected to the antenna or the console), then power up the console.
4. Using a voltmeter set to VDC, measure the voltage output across the antenna output on the console. It
should m5 VDC between the center conductor and exterior housing.
•
If the measurement is +5 VDC at the console connector, but not at the end of the antenna cable, the
cable is damaged. Replace the antenna cable and return to step 1.
• If the measurement is not +5 VDC from the RANGER console, contact Outback Customer Service to
return the console for servicing.
Checking the DGPS Position by Verifying the BER
You can check the bit error rate (BER) via the BER value on the Diagnostics menu.
BER is a check of correction signal reception quality and is based on a scale of 0 to 500. BER < 20 is ideal. If BER
> 20 verify the antenna has a clear view of the sky to properly find and track correction satellites. When using
SBAS for the correction type, RANGER tracks one or two correction satellites. Each satellite has a different BER
and the BER value on the Diagnostics menu represents the values separated by a hyphen.
For example, a value of 8-500 means the RANGER has a very good signal on one satellite
(BER=8) and is not receiving corrections from the other satellite (BER=500, the lowest
reception value). Only one satellite must have a low BER value (less than 20) to provide
differential corrections.