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The Fender At-3 Automatic Guitar Tuner

Thank you for purchasing this quality Fender product.
The Fender AT-3 Automatic Tuner uses advanced digital signal processing for simple hands-free tuning of your instrument. The AT-3 can tune both an electronic instrument with the built-in input jack and an acoustic instrument with the convenient built-in microphone. Before you plug in your instrument or play a note to tune, please make sure the AT-3 is equipped with a fresh battery.

Operating Instruction

  1. Once you have equipped the AT-3 with a battery, press the power button. The pitch meter will light up from the left and move towards the right one by one.
  2. Play an open guitar string(the low-E. for example) and adjust the instrument’s pitch until the desired note lights up.
  3. Fine tune the instrument by observing the flat-in tune-sharp indicator. If the red LED on the left light up, the pitch of the instrument needs to be raised. If the red LED on the right light up, the pitch needs to be lowered.
  4. Continue fine-tuning your instrument until the green LED lights up at the center of the LED indicator.
  5. Repeat the process with other open guitar strings until you achieve the desired results.
  6. After three minutes of non-use, the AT-3 will automatically shut off to save battery power.

Care of your Fender AT-3 Automatic Tuner

The AT-3 is a rugged tuner that should provide you with years of trouble-free operation. Still a
reasonable amount of care is recommended to keep the unit in top operating condition.

  1. Keep the AT-3 away from excessive moisture, dust or extreme heat or cold temperature.
  2. Periodically wipe the indicator screen with a clean, soft cloth to maintain ideal visibility.
  3. Do not remove the cord from the input jack by pulling on the cable. Removing the tip of the cord gently will assure that the contact points within the tuner will stay intact.
Note: This Instruction Manual is adapted from the official manual created by Fender in PDF format, without modification of the content. We just rewrite the PDF, into responsive mobile friendly pages.So, you can read this document anytime and anywhere.

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