The following instructions relate to the PointMan mapping app. You will need a valid subscription* in order to use the app, which can be purchased from Radiodetection.
To achieve survey grade accuracy, use the mobile app of your choice.
Please see MRX SG technical support page for compatible apps.
Exact settings will vary per app, please consult the mobile app provider’s manual for exact details.
*Need to activate your PointMan license? Activation codes for PointMan licenses are printed on the invoice, order confirmation and packing slip.
Article's Content:
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GNSS Bluetooth module. This Bluetooth module enables survey grade accuracy.
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Locator Bluetooth module. This Bluetooth module allows you to send locator Survey Measurements to compatible iOS devices.
Pairing the GNSS and Locator Bluetooth modules
The MRX SG Marker locator is fitted with multiple Bluetooth modules.
You need to connect to 2 Bluetooth modules to enable survey grade accuracy and send Survey Measurements to your compatible Android or iOS device.
GNSS Bluetooth module
The GNSS Bluetooth module is always on and does not need to be enabled in the locator.
Locator Bluetooth module
This Bluetooth module allows you to send locator Survey Measurements to compatible Android or iOS devices.
For pairing either Bluetooth modules using iOS, please follow the relevant steps below.
Pairing GNSS Bluetooth and Locator Bluetooth to iOS Device
The GNSS Bluetooth and locator Bluetooth module is always on and does not need to be enabled in the locator.
NOTE: Pairing of the GNSS must be carried out through the app and not through the phone BT settings.
The instructions below are based upon using the PointMan app and exact settings will vary per app, please consult the mobile app provider’s manual for exact details.
On your MRX SG Marker locator:
1. Switch on the MRX SG Marker locator
2. Press
again to enter the MENU
3. Press the 'Down' arrow key
to navigate to the PHONE menu
4. Press the 'Antenna key'
to enter the PHONE menu and select IOS
5. Press the 'F' key
to confirm your choice and to return to the main locate screen.

On your iOS device
1. Open the Pointman app and log in.
2. Enter the Menu (top left) and select Settings
3. In Devices, select Configure Btle
4. Select Scan
5. The GNSS Bluetooth will present itself as RTKLE-MRXSG-XXXXXX,
and the Locator Bluetooth as LE-MRXSG-XXXXXX
6. Highlight both devices, select Add and press OK, followed by Close.
NOTE: If the GNSS Bluetooth module is not advertising, you can reset the Bluetooth module via
MENU > GPS > RTK > RESET.
To enable survey grade accuracy, Bluetooth pairing to both the locator and GNSS antenna is required.

iOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.
PointMan is a trademark of PROSTAR GEOCORP., INC. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Radiodetection is under license.