Raymarine ST70+ Operating Manual

Also see for ST70 Instrument: Installation guide User reference guide User reference handbook Installation guide Operating guide

Contents

Raymarine ST70+ Operating Manual Manual pdf 36 page image

28 ST70+ User Reference ManualCalibrating conventional transducersUse these procedures to calibrate Depth & Temperature values for conventionaltransducers.Setting Depth offsetIf you want to apply an offset to your depth readings, you MUST ensure the offsetvalue is correct, before relying on subsequent Depth data.WARNING: Ensure you use the correct depth offsetThe use of the correct depth offset is critical to the safety of thevessel. If an incorrect offset value is applied, this could result inmisleading depth information being displayed with a consequent risk ofrunning aground. Take great care to ensure you set the correct value.Set the correct depth offset as follows:1. With the Transducers found menu displayed,select Depth. to display the Depth transducermenu.2. With the Depth transducer menu displayed,scroll to the Depth Offset option, then press OK,to display the Depth Offset setup page.• Check the type and value of the offsetcurrently applied:• If the offset type is what you require and thevalue is correct for your boat, press CANCEL to return to the Depth transducermenu, then proceed from step 6.• Otherwise proceed from step 3.3. If necessary, press PAGE UP to select the upper(offset type) adjust box.4. Scroll to either Water line, Keel or Transducer, asrequired. If you select Transducer, an offsetvalue of zero is automatically applied.5. If you have selected:• Either Water line or Keel, press PAGE DN toselect the lower (offset value) adjust boxthen scroll to set the correct value.• Transducer, ensure the offset value is zero.6. Press OK to save the offset value and display the Depth transducer menu.7. Press CANCEL to return to the Transducers found menu.iD11175-1DepthDepth OffsetRaymarineSerial no. 211342Press OK to selectiD11176-1Press OK to acceptDepth OffsetKeel2.5FTWarning! Incorrect depth offset may lead tovessel running aground.