Compatible With Guitar & Bass Guitars
Mutes Output for Silent Tuning
21-Segment LED Meter With Brightness Control
High-Brightness Mode Enhances Meter Visibility Outdoors
Supplies Power For Up To 7 Boss Compact Effects Pedals

Owners Manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
Dry battery/9 V type (6F22)
Features
21-segment LED meter with brightness control
High-Brightness mode enhances meter visibility outdoors
Accu-Pitch Sign function provides visual verification when tuning is complete
Chromatic and Guitar/Bass mode (tune by string number, with support for 7-string guitars and 6-string basses)
Flat tuning is supported with Guitar Flat mode, which allows for drop tunings up to six semitones below standard pitch
Tuner automatically mutes when the tuner is on
Supplies power for up to 7 BOSS compact effect pedals
Specifications
Tuning Range: C0 (16.35Hz)-C8 (4186Hz)
Reference Pitch: A4=436-445 Hz (1Hz step)
Tuning Accuracy: 1 cent
Power Supply: DC 9 V: Dry battery 6F22 (9 V) type (carbon), Dry battery 6LR61 (9 V) type (alkaline), AC Adaptor (PSA series: optional)
Current Draw: 30 mA (DC 9 V), 85 mA (DC 9 V, when High Brightness mode is on)
Dimensions:
Width: 73 mm2-7/8 inches
Depth: 129 mm5-1/8 inches
Height: 59 mm2-3/8 inches