Attach screening supplies on infant: sensors on nape, vertex, and common sites and
earphones around ears.
Step 5. Select screening parameters: Select either the 35 dBnHL or the 40 dBnHL screening
(if 40 dB option is enabled). Select Simultaneous (not available for 40 dB), Sequential,
Right-only, or Left-only screening.
Step 6. Start Screening/Check Impedances: Test immedicately begins after screening
parameters are selected. Monitor the impedances at each sensor location.
Step 7. Monitor screening in progress: Monitor impedances and the Message window during
the screening. The ALGO 3i screener will alert you to any conditions which require
your attention during the screening process.
Step 8. Observe screening complete: At the completion of the screen, the ALGO 3i screener
will save a screening record to memory, and will display the infant data, including a
summary of the screening results.
Step 9. Remove/discard supplies: Remove from the baby and discard the Natus screening
supplies.
Step 10. Return to MainMenu/Disposition screening record: Return to the MainMenu or
go to DataManagement for printing, exporting, or deleting the screening record.
Step 11. Power off: Turn off the device by sliding and holding the ON/OFF switch for 3
seconds.
Step 12. Clean Sensor and Earphone cables before and/or after use: Clean patient cables
after use. Residual sensor adhesive may corrode Preamp3i cable clips.
Detailed Instructions of Screening Procedure
Step 1: Power-On and Start-Up/Warnings
Power on the ALGO 3i screener by sliding the On/Off switch upward, and releasing it. The switch
will spring back to its original position. During the start-up, the ALGO 3i screener will run through a
series of self-checks, and will alert you of any important messages such as:
Battery shutdown warning: The ALGO 3i screener will automatically shut itself
down to protect the device settings and saved screening records if the battery
charge is too low. Recharge of the battery must occur before the MainMenu can be
accessed.
Battery low warning: The ALGO 3i screener will warn you if the battery is too
low to perform a complete hearing screening. You will be able to access all device
functions except the screening modes. Recharge of the battery must occur before
hearing screening can be performed.
Cable disconnect warning: If the preamp or ATA cable is not connected, the
ALGO 3i screener will warn you that a hearing screening cannot be performed.
You must connect both cables prior to screening.
Faulty ATA warning: If the calibration data cannot be read from the ATA, the
ALGO 3i screener will warn you that a hearing screening cannot be performed.
You must replace the ATA prior to screening.
Calibration warning: The ALGO 3i screener will issue multiple warnings as the
calibration due date of the ATA nears. If the calibration is out of date, the ALGO
3i screener will warn you that a hearing screening cannot be performed. You must
connect a calibrated ATA prior to screening. (See Chapter VIII. Service Manual:
ATA Calibration information)
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