9. Keep the vessel speed below 2 kts and begin to turn the vesselin a circle.10.Press the Up button to begin linearization.11.You will be required to perform a minimum of 2 complete circles.x 2D12415-1An alarm will sound upon successful completion.12.After linearization the align transducer page is displayed. Usethe Up button to increase the alignment angle and the Downbutton to decrease the alignment angle.CALD12416-113.To save your settings and return to normal operation from anypage, simultaneously press and hold the Down and Actionbuttons for 2 seconds.Intermediate calibrationIntermediate calibration allows you to:• Check the instrument software version.• Check and if necessary set the instrument status as either Masteror Repeater.Checking software version and instrument statusDuring normal operation:1. Simultaneously press and hold the Down and Action buttons for4 seconds to display the software version.10152025303540455055 60 54+D12408-12. Press the Action button to display the instrument status.CAL CALD12404-1Note: The i40 Bidata requires an extra Action button push toswitch from depth instrument status and speed instrument status.3. Use the Up and Down buttons to change the instrument statusbetween Master and Repeater.4. To save your settings and return to normal operation from anypage, simultaneously press and hold the Down and Actionbuttons for 2 seconds.Dealer calibrationDealer calibration enables you to set:• User calibration on / off.• Boat show mode on / off.• Reset factory defaults.Changing dealer calibration settingsDuring normal operation:1. Simultaneously press and hold the Down and Action buttons for12 seconds to display the dealer calibration page.10152025303540455055 60 512+ D12399-12. Press the Action button to display the user calibration accesspage.CAL CALD12413-13. Use the Up and Down buttons to switch the User calibrationon and off.Selecting off will disable the user calibration pages.4. Press the Action button to display the boat show mode page.CAL CALD12397-15. Use the Up and Down buttons to switch boat show mode onand off.Selecting on will put the display into boat show mode.Note: Boat show mode is only suitable for demonstrationpurposes and should NOT be used whilst your vessel is in use.6. Press the Action button to display the Factory defaults page.CAL CALD12406-17. To reset your display to factory default settings, use the Up orDown buttons to change the reset option to Yes.8. Press the Action button to reset your display to factory defaultsor return to the user calibration access page.9. To save your settings and return to normal operation from anypage, simultaneously press and hold the Down and Actionbuttons for 2 seconds.Getting started 33