TeeJet CenterLine v1.07 - Manual (Page 36)

30 CenterLine
Tools
CenterLine
Software Version 1.07
Receiver
The Receiver diagnostic test queries the attached GPS receiver and returns its current configura-
tion and status. This information is displayed in the text window on the lightbar.
To start the Receiver check, go to the Tools menu, scroll until is displayed in the text
window, and press Enter. The lightbar displays the diagnostic messages shown in Table 15.
Lightbar
The Lightbar diagnostic test initiates an illumination sequence of all of the LEDs and the text win-
dow, followed by a brightness control sequence. This allows the verification that all lights on the
CenterLine lightbar are working properly.
To start the Lightbar check, go to and press Enter. Scroll with Up or Down until
is displayed in the text window and press Enter. The illumination sequence should
start. When test is completed the lightbar displays .
e-Dif
The accuracy of the position information provided by the e-Dif GPS receiver slowly deteriorates
with time since the last calibration. Because of this, it is recommended that the e-Dif receiver be
recalibrated about every 1 to 2 hours, to maintain the accuracy of the position information. The e-
Dif tool allows the operator to re-calibrate the e-Dif receiver by coming to a stop and selecting e-Dif
in the Tools menu or the Real time menu.
To re-calibrate the e-Dif receiver, go to and press Enter. Scroll with Up or Down until
is displayed in the text window and press Enter. The text window displays until
the receiver re-calibration is complete. The lightbar then displays .
Diagnostic Description
GPS Status If the lightbar is not receiving GPS data, the text window message
appears as . If the lightbar is receiving GPS data but no
differentially corrected GPS data, the text window message appears
as .
DGPS Status If the lightbar is receiving differential corrected GPS data, the text win-
dow message appears as .
NMEA Strings Returns the name of each NMEA string currently being received from
the receiver. As an example if the NMEA GPGGA string is being
received from the receiver then the text window displays .
Data Rate Returns the current receiver data rate. This is typically 5 Hz. The rate
is displayed in the text window, e.g. <5 HZ> is displayed for the 5
Hertz data rate.
Table 15: Receiver Diagnostic Messages