Teejet Matrix Pro 840GS User Manual download pdf (Page 59)

98-05273-EN R4

HOME OVERVIEWSETUP IMPLEMENT FULL SCREENGPS INTRODUCTIONGUIDANCEDROPLET MONITOR

GPS type

GPS type can be customized to accept GPS source transmissions

(only uncorrected signals), DGPS source transmissions (only

differentially corrected signals) or both types of signals.

1. Press DOWN arrow to access the list of options.

2. Select:

►GPS only – uncorrected signals

►DGPS only – differentially corrected signals

►GPS/DGPS – either type of signal

►GPS+GLONASS – uncorrected signals from both the GPS

and GLONASS systems

Figure 7-2: GPS type

GPS Only

DGPS Only

GPS/DGPS

GPS+GLONASS

NOTE: When "GPS+GLONASS" is selected, PRN is not available,

nor shown on screen.

GPS port

The COM port can be set to “Internal” to use the internal (D)GPS

(if equipped) and transmit out, or “External” to receive external (D)

GPS data.

1. Press DOWN arrow to access the list of options.

2. Select:

►Internal – use the internal (D)GPS (if equipped) and

transmit out

►External – receive external (D)GPS data

NOTE: Working with GPS signals such as Omnistar HP/XP or

RTK will require GPS port to be set to External.

Figure 7-3: GPS port

Internal

External

External receiver minimum conguration requirements

Before the Matrix will connect and work with an external GPS

receiver, these minimum conguration requirements must be met.

Serial port settings

Baud rate: 19,200

Data bits: 8

Parity: None

Stop bits: 1

Serial port connection requirements

Male 9 pin RS-232 serial cable

NOTE: May require Null modem adapter depending on pin out

of receiver.

NMEA strings

GGA 5 Hz

Optional VTG 5 Hz, 2 Hz, Off

ZDA 0.2 Hz

GPS status information

GPS Status displays a snapshot of the current GPS status

information.

1. Press View status .

2. View data including:

◄GGA/VTG data rates – the number of GPS positions per

second.

◄Number of satellites – the number of GPS satellites in view

(minimum of 4 are required for DGPS)

◄HDOP – a measure of satellite geometry strength in the

horizontal plane. A HDOP value of less than 2 is preferred.

◄PRN – the current DGPS satellite ID

◄GGA quality – the current quality indicator of the GPS signal

(see GGA chart)

◄Receiver – the current indicator of the receiver

◄Receiver version – the software version installed on the

receiver

◄UTM zone – zone where currently located

3. Press

OK to return to GPS setup screen

NOTE: If GPS is not available, all entries will be “Invalid”

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Teejet Matrix Pro 840GS User Manual Page 59

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