14 ST70 Instrument User Reference Manual12. Press to select the upper (offset type) adjust box.13. Use < or > to scroll to either Water line, Keel or Transducer, as required. If youselect Transducer, an offset value of zero is automatically applied.14. If you have selected:• Either Water line or Keel, press to select the lower (offset value) adjust boxthen use < or > to set the correct value.• Transducer, ensure the offset value is zero.15. Press ENTER to save the offset value return to the Depth transducer menu.16. Press CANCEL to return to the Transducers found menu.Now proceed to Set water temperature .Set water temperatureTo set the water temperature to the correct reading:1. With the Transducers Found menu displayed,use < or > to scroll to the Speed option.2. Press ENTER to select the Speed transducersetup menu.3. Use < or > to scroll to the Temperature Offsetoption.4. Press ENTER to display the Temperature Offsetsetup page.5. Using a suitable thermometer, measure thewater temperature, then use < or > to set thecorrect temperature value at the ST70instrument.6. Press ENTER to accept the value and return tothe Speed transducer menu.7. Press CANCEL to return to the Transducersfound menu.8. Press CANCEL to return to the Search Results summary.9. Press CANCEL to return to the Transducer Setup start page.10. Press CANCEL to return to the Advanced Options menu.Now proceed to Set ground windD10080-1Press ENTER to select.Transducers FoundSpeedi RaymarineSerial no. 100031D10093-1Press ENTER to select.SpeedTemperature Offseti RaymarineSerial no. 1000317Press ENTER to acceptTemperature Offseti Adjust temperature until readsactual sea temperatureD10094-1C°