Ivie IE-45 STI-PA - Speech Intelligibility Analysis - Manual (Page 6)

6a. Tap and drag in the "Calibrator SPL:" window to completely hi-lite the "94.0"
6b. Use the keyboard to enter the calibration constant from the "Certificate of IE-35 IviePAL
Input Calibration." Close the keyboard to reveal the "Calibrate" button.
6c. Tap the "Calibrate" button to enter the calibration constant. You will see the value in the
"Constants:" match the value that you entered.
6d. Now press the "OK" button to return to the Preferences screen and this press the "OK" to
return to the main screen.
7. All done. Good job!
Just a note. Ivie intentionally made calibrating the instrument a multi-step menu navigation
process in order to prevent inadvertent changing of the instrument calibration.