Delta PG-40 Especificações descarregar pdf (Página 27)

DELTA LTL-X Retrometer 27

The GPS data can be viewed from the HOME screen by pressing the UP button and then high-

lighting the GPS icon by using LEFT or RIGHT buttons. Press the OK button to display the

GPS data. When the GPS data changes the display is updated.

If the GPS does not fix and a measurement is taken a warning menu appears. You will be pre-

sented with the following options:

 Measure anyway

 Skip measurement

 Turn off GPS

GPS delayed off timer

Press the MENU button and select SETTINGS / AUX, highlight GPS TIMER and press the OK

button to toggle the timer ON or OFF. Press the HOME button to return to the HOME screen.

If the timer is activated a message showing the delayed off time is shown in the display when

the LTL-X is turned off.

DGPS (WAAS / EGNOS) – optional.

DGPS (Differential GPS) can improve the basic GPS accuracy. If DGPS is used, the GPS unit

will receive correction data from the geostationary satellites such as WAAS, EGNOS and

others. WAAS / EGNOS reception does not require additional receiving equipment.

Currently, WAAS satellite coverage is only available in North America. Even though GPS

users outside North America can receive WAAS, the signal has not been corrected and thus

would not improve the accuracy of the position data. In some regions in the northern parts of

the continent, the position of the satellites over the equator can make it difficult to receive the

signals when trees or mountains obstruct the view of the horizon.

EGNOS is the European counterpart of the WAAS satellite and the same limitations apply.

Press the MENU button and select SETTINGS / AUX, highlight DGPS and press the OK button

and the DGPS sub menu is shown.

DGPS OK

OFF

WAAS

EGNOS

AUTO

AUTO will automatically search for a DGPS satellite.

When DGPS correction is selected the data is not necessary corrected immediately, it can take

time to receive and process the correction signal.

LTL-X will show if the correction data is used. The GPS icon in the upper row of the display

will include a "D".

If the GPS icon is selected, a line in the GPS screen will show the DGPS system used. If no

correction system is selected, “N/A” will be displayed.

The log data will also record the status of the correction system. When saving the log using

the RSC2 program, the column “FIX” will show the value 2 if the DGPS correction was used.

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Delta PG-40 Especificações Página 27