Teejet CenterLine v1.07 User Manual download pdf (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 <RECEIVER> 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 <TOOLS> and press Enter. Scroll with Up or Down until

<LIGHTBAR> is displayed in the text window and press Enter. The illumination sequence should

start. When test is completed the lightbar displays <END>.

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 <TOOLS> and press Enter. Scroll with Up or Down until

<E-DIF> is displayed in the text window and press Enter. The text window displays <WAIT> until

the receiver re-calibration is complete. The lightbar then displays <READY>.

Diagnostic Description

GPS Status If the lightbar is not receiving GPS data, the text window message

appears as <NO GPS>. If the lightbar is receiving GPS data but no

differentially corrected GPS data, the text window message appears

as <GPS>.

DGPS Status If the lightbar is receiving differential corrected GPS data, the text win-

dow message appears as <DGPS>.

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 <GGA>.

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

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 59 60

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Teejet CenterLine v1.07 User Manual Page 36