AudiScan handheld audiometer

Specifications:
Test signals: Pure tone (continuous)
Test frequencies : 500, 1000, 2000 and 4000 Hz
Hearing level range: 40dB,50dB,60dB,70dB,80dB
Power supply: 3 AAA batteries
Dimensions: 20 x 7 x 7 cm (7.87 x 2.76 x 2.76 inch)
Weight:177g （6.25oz）

Package contents:
1pc AudiScan portable audiometer
2pcs cushion
1pc user manual
1pc carry PU case
(Batteries are not included)

Operation guide
1. Insert 3 pcs AAA betteries into the battery compartmnet correctly.
2. Long press M button 3 seconds to switch on the audiomter, the default starting figures "500 HZ40db" will be shown on LCD display.
3. Select the frequency and decibel by pressing the buttons
4. Short press M button to stimulate the tone, cover patient's ear by speaker with cushion to proceed hearing testing
5. Repeat step 3 and 4 to test hearing at different frequency ande decibel.
6. Long press M button 3 seconds to switch off the audiometer after finish hearing testing (the device will be turned off automatically if no operation in 3 minutes)

Cleaning: do not use cleaning agents containing alcohol. Use a soft cloth to wipe gently.