Configuring the SPSx61 receiver as a rover receiver

The receiver is configured step-by-step to ensure that all appropriate settings are configured. To move between steps in the configuration process, press .

Configuring the receiver using the keypad

  1. In the Home screen, press . Use the Operation Mode screen to:
    • set the receiver mode (default)
    • configure system settings
    • configure Ethernet settings
    • configure the OmniSTAR settings
    • view the SV (satellite) status
  2. Press . Use the Mode screen to select whether the receiver will operate as a Moving Base or Rover.
  3. Press . When the mode begins to flash, the receiver is in Edit mode and you can change this setting.
  4. Press to change to Rover.
  5. Press to accept the change.
  6. Press again to move to the Beacon mode screen. See the next procedure.

Changing the Beacon mode

  1. Press . When the value for the current Beacon mode begins to flash, the receiver is in Edit mode and you can change the setting.
  2. Press to change the Beacon mode to Auto Power, Auto Range, or Manual.
  3. Press to accept the change and move to the Elevation Mask screen. See the next procedure.

Changing the elevation mask

  1. Press . When the value for the current elevation mask begins to flash, the receiver is in Edit mode and you can change the setting.
  2. Press to change the elevation mask to the required value.

    Trimble recommends that you do not set the elevation mask to a value lower than 10 degrees.

  3. Press to accept the change and move to the Position Antenna Type screen. See the next procedure.

Selecting the Position antenna

In the Position Antenna Type screen:

  1. Press . When the antenna name begins to flash, the receiver is in Edit mode and you can select the type of antenna required on RF Port 1 on the receiver.
  2. Press to scroll through the antenna models.
  3. Once the correct antenna name appears, press to accept the change and move to the Vector Antenna Type screen. See the next procedure.

Selecting the Vector antenna

In the Vector Antenna Type screen:

  1. Press . When the antenna name begins to flash, the receiver is in Edit mode and you can select the type of antenna required on RF Port 2 on the receiver.
  2. Press to scroll through the antenna models.
  3. Once the correct antenna name appears, press to accept the change and move to the RTCM Output Port screen. See the next procedure.

Selecting the output message types and port

In the Port screen, set up the RTCM outputs from the receiver:

An SPSx61 receiver can repeat the RTCM input from an internal MSK Beacon radio or OmniSTAR VBS service so it can be used by another rover.

  1. Press to accept the default (no RTCM messages).
  2. Use the NMEA screen to set up NMEA outputs from the receiver. Press to accept the default NMEA output, HDT, and GGA on Serial Port 3 at 1 Hz.
  3. Use the GSOF screen to set up GSOF outputs from the receiver. Press to accept the default ( no GSOF output) and move to the Heading Adjustment screen. See the next procedure.

Adding a Heading adjustment

In the Heading Adj screen, enter an adjustment value to be added to the calculated True Heading:

An SPSx61 receiver can repeat the RTCM input from an internal MSK Beacon radio or OmniSTAR VBS service so it can be used by another rover.

  1. Press . When the value for the current Heading Adjustment begins to flash, the receiver is in Edit mode and you can change the setting.
  2. Press to change the Heading Adjustment to the required value.
  3. Press to accept the change.
  4. Press to move to the Minimum Heading Solution screen. See the next procedure.

Selecting the Minimum Heading Solution

In the Min Hdg Soln screen, select the minimum RTK solution that will result in a valid heading output:

  1. Press . When the value for the current Minimum Heading Solution begins to flash, the receiver is in Edit mode and you can change the setting.
  2. Press to select either RTK Fixed or RTK Float from the list.
  3. Press to accept the change.
  4. Press to return to the Home screen.

Configuring Ethernet settings

You can use the keypad and display of the receiver to configure the following settings:

  • DHCP
  • IP Address
  • Subnet Mask
  • Gateway

To access the Ethernet settings:

  1. In the Home screen, press .
  2. When the operation mode begins to flash, the receiver is in Edit mode and you can change this setting.
  3. Press to change to Ethernet configuration.
  4. Press to accept the change.
  5. Use the DHCP screen to enable or disable DHCP. Press to accept the change.
  6. Use the IP Address screen to enter a static IP address for the SPSx61. Press to accept the change.

    When using a static IP address, Trimble recommends that you disable the DHCP otherwise the DHCP server will reassign the IP address when the SPSx61 receiver is restarted.

  7. Use the Subnet Mask screen to enter the subnet mask required for the network. Press to accept the change.
  8. Use the Gateway screen to enter the gateway IP address of your network. Press to accept the change and return to the Home screen.