[. . . ] Bedienungsanleitung Herzlichen Dank für den Kauf des KORG GUITAR/BASS CHROMATIC TUNER DT-7 Using Buzz Feiten tuning Use this mode only if you have a guitar that is designed with the Buzz Feiten Tuning System. The Buzz Feiten Tuning System (BFTS ) adds slight adjustments to the pitch (similarly to "stretched tuning" on a piano) to make your playing sound its best from low through high ranges, regardless of chords or keys. [. . . ] If one of the "–" LED's light, move the saddle toward the neck. If one of the "+" LED's light, move the saddle toward the tailpiece. Press switch 2 ( ) to select OPEN (open string tuning), and tune your instrument so that the center LED lights. If the batteries run down during use, the note name LED display will be interrupted by a message of "b, " "a, " "t, " "t. " The unit can still be used for a time, but accurate tuning will not be possible. Slide the lid of the battery compartment (located on the bottom of the DT-7) in the direction of the arrow, and lift the lid up to open the compartment. Power supply Please connect the designated AC adaptor to an AC outlet of the correct voltage. Do not connect it to an AC outlet of voltage other than that for which your unit is intended. Reset In the following cases, the DT-7 will be reset to the default settings (calibration: A=440 Hz, Reference tone: A4) • When you turn off the power switch. € If the battery runs down • If the battery is removed while the AC adapter is not connected • If the AC adapter is unplugged while still connected to the DT-7 Changing the calibration setting 1. When the note name LED indicates "F, " the tuner is in flat tuning mode. Handling To avoid breakage, do not apply excessive force to the switches or controls. Panel and functions Mute switch jack Function select switch Power switch BFTS CHROMATIC Care If the exterior becomes dirty, wipe it with a clean, dry cloth. 445 Hz (1 Hz steps) : BYPASS/SOUND OUT jack, INPUT jack, mute switch jack Power supply Battery life : one 9V battery, or AC adapter ( : sold separately) : approximately 12 hours (conventional battery, with continuous input of A4) : owners manual, 9V battery x 1 : 169mm (W) x 63 mm (D) x 43. [. . . ] At this time, the reference tone will be displayed in the note name LED. Accessory Dimensions Weight * Specifications and appearance are subject to change with out notice for improvement. [. . . ]