Using The Fx312 With Other Manufacturers Dgps Receivers; Using The Fx412 In Differential Mode - MLR FX312 User Manual

Note: the D letter is displayed in the top left of the screen when the FX312 calculates its position
in differential mode. The indication of accuracy (ECP) automatically takes into account the
precision of the differential mode.
Tip: The Annex 4 of your manual contains a list of DGPS station frequencies.
9.2. – USING THE FX312 WITH OTHER MANUFACTURERS DGPS RECEIVERS
Connect the FX312 to the DGPS receiver with the help of instructions in Paragraph 3
(INSTALLATION INSTRUCTIONS) and configure the data input of the FX312 for
DIFFERENTIAL format. Select the working mode for the GPS (see previous paragraph). Please
read your DGPS receiver manual for further information. When using the DGPS receiver a D is
displayed on the top left of the screen when the FX312 calculates its position in differential
mode.
9.3. – USING THE FX412 IN DIFFERENTIAL MODE
The FX412 is a GPS navigator with an integrated DGPS receiver, which can operate in the
DGPS mode without any other equipment. However it is possible for test purposes to use an
external DGPS receiver should this be desired.
To use your FX412 in the DGPS mode, you just have to select the DGPS station you wish to
receive, your FX412 will automatically ensure the correct reception, decoding and the
processing of the DGPS information. When the FX412 calculates the position in DGPS mode,
the letter D is display in the top left-hand corner of the screen near the satellite symbol.
From the MAIN MENU press key 7 (or select 7-DGPS MENU and press Enter), then press the
key 0 to select 0-DGPS. On the left of the screen the signal strength is displayed as a bargraph,
(a good signal = ¾ of black in the bar graph) and the percentage of error on the data should be
a low figure. At the bottom of the screen the DGPS station identification number is displayed
together with a list of the satellites which are being corrected.
To change the DGPS parameters of the FX412, press the Enter key to display SET-UP THE
DGPS PARAMETERS. Use the arrow keys to move the cursor in the window. Use the
numeric keys and the arrow keys to enter your new parameters then press Enter.
DGPS PARAMETERS:
TYPE = Selection of the internal DGPS receiver of the FX412 or of an external DGPS receiver.
FREQ. T = Frequency of the station to receive (frequency transmitted to the DF300).
FX312 & FX412 VERSION 2.0 MLR ELECTRONIQUE
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