The MRX SG Marker locator and transmitter settings can be accessed via the menu. Once in the menu it is possible to change settings according to your personal preferences and operating requirements. Some examples of setting changes are shown below.

NOTE: These procedures refer to both the transmitter and locator unless stated otherwise.

Before changing settings, ensure the locator or transmitter is switched on by pressing thekey for two seconds.

Language

The locator and transmitter support a number of languages. You can specify your preferred language using the menu system.

To select your preferred menu language:

1. Press the key to enter the menu
2. Scroll to the LANG menu using the or keys
3. Press the key (on the locator) or the key (on the transmitter) to enter the LANG menu
4. Scroll through the language options using the or keys.
5. Press the key to accept your selection and return to the main menu.
6. Press the key to return to the main operation screen.

Battery Type

MRX SG Marker locator comes with the Lithium-ion battery pack as standard. Alternatively, a 3D cell tray can be used with alkaline batteries, though this may significantly reduce run time.

NOTE: When using alkaline batteries, the battery type will default to to LI-L in the BATT menu. There is no ALK option available in the menu.

Transmitters support Lithium-Ion, Alkaline or Nickel Metal Hydride batteries.

You should set the transmitter battery type to match the currently installed type. This is to ensure optimal performance and correct battery level indication.

To set your battery type:

1. Press the key to enter the menu.
2. Scroll to the BATT menu using the or arrows.
3. Press the key (on the locator) or the key (on the transmitter) to enter the BATT menu.
4. Scroll through the battery options using the or keys.
5. Press the key to accept your selection and return to the main menu.
6. Press the key to return to the main operation screen.
7. If you are using the optional Li-Ion MRX(G) battery pack, the locator will automatically select the correct battery type.

Power Network Frequency

Select the correct frequency (50 or 60Hz) for your country or region’s power supply on your locator.

To change power frequency on the locator:

1. Press the key to enter the menu.
2. Scroll to the POWER menu using the or keys.
3. Press the key to enter the POWER menu.
4. Scroll through the power options using the or keys.
5. Press the key to accept your selection and return to the main menu.
6. Press the key to return to the main operation screen.

Measurement Units

The MRX SG Marker locator allows you to work in Metric or Imperial (US customary) units.

To select your preferred units:

1. Press the key to enter the menu.
2. Scroll to the UNITS option using the or keys.
3. Press the key to enter the UNITS menu.
4. Scroll through the measurement options using the or keys to select METRE (for metric) or IMP (for imperial) units.
5. Press the key to accept your selection and return to the main menu.
6. Press the key to return to the main operation screen.

Enabling / Disabling Frequencies

The locator and transmitter support a wide range of frequencies and there may be times when some of these frequencies are not used. It is possible to quickly enable or disable frequencies using the menu system.

To enable or disable frequencies:

1. Press the key to enter the menu.
2. Scroll to the FREQ menu using the or keys.
3. Press the key (on the locator) or the key (on the transmitter) to enter the FREQ menu.
4. Scroll through the frequency options using the or keys.
5. Press the key (on the locator) or the key (on the transmitter) to enter the frequency.
6. Scroll to OFF or ON using the or keys.
7. Press the key to accept your selection and return to frequency menu.
8. If you wish to make any further changes follow steps 4 to 6. If you do not wish to make any further changes press the key twice to return to the main operation screen.

Marker locator

By default, the marker locator is enabled or disabled by lowering or folding the marker loop antenna.

You can choose to disable or re-enable the marker locator function.

To disable the marker locator:

1. Press the key to enter the menu.
2. Scroll to the MRKR menu using the  or  keys.
3. Press the  key to enter the MRKR menu.
4. Scroll to OFF or AUTO menu.
5. Press the  key to accept your selection and return to MRKR menu.

• The marker locator can detect up to 9 different utility markers:
  PWR, H2O, PDE, SAN, TEL, GAS, CTV, PUR, PFR.

If you wish you can enable or disable them by using the menu system.

To enable or disable utility markers:

1. Press the  key to enter the menu.
2. Scroll to the MRKR menu using the or  keys.
3. Press the  key to enter the MRKR menu.
4. Scroll to the AUTO menu and press the key.
5. Scroll up or down to select a specific marker.
6. Press the key.
7. Scroll to OFF or ON menu.
8. Press the  key to accept your selection and return to the marker menu.

If you wish to make any further changes follow steps 5 to 8. If you do not wish to make any further changes press the key twice to return to the main operation screen.

Volume Control

The transmitter and locator feature an internal speaker to provide critical warnings and assist with cable and pipe location.

To adjust audio level:

WARNING! Muting audio on the locator will disable the StrikeAlert audio alarm.

1. Press the key to enter the menu.
2. Scroll to the VOL menu the or arrows.
3. Press the key (locator) or the key (transmitter) to enter the VOL menu.
4. Scroll through the volume options using the or keys.
5. Press the key to accept your selection and return to the main menu.
6. Press the key to return to the main operation screen.