1. Introduction to the Korg GA-1 Guitar and Bass Tuner
The Korg GA-1 is a highly accurate and functional tuner designed for both guitar and bass players. Its ultra-compact design makes it an ideal companion for musicians on the go. This manual provides comprehensive instructions to help you get the most out of your GA-1 tuner, ensuring your instrument is always perfectly in tune.

Obrázek 1: Přední strana view of the Korg GA-1 Guitar and Bass Tuner, showing the LCD display and control buttons.
2. Klíčové vlastnosti
The Korg GA-1 tuner is packed with features designed for ease of use and precision:
- Ultrakompaktní design: Easily fits into any instrument case or pocket.
- High-precision LCD needle-type meter: Provides stable and accurate tuning indication.
- Quinta Flat Tuning mode: Allows tuning from 1 to 5 semitones flat, ideal for lowered tunings in various music styles.
- Supports 7-string guitar tunings: Accommodates extended range guitars.
- Sound Out function: Emits a reference tone from the internal speaker for ear training or manual tuning.
- Dedicated Guitar/Bass modes: Optimized tuning for specific instrument types with automatic pitch detection.
- High-sensitivity built-in microphone: Enables accurate tuning of acoustic instruments.
- Funkce automatického vypnutí: Preserves battery life by automatically shutting off after a period of inactivity.
- Tilt-slit design: Umožňuje snadné viewing by standing the unit upright using a guitar pick.
3. Nastavení
3.1. Instalace baterie
The Korg GA-1 operates on two AAA batteries (included). To install or replace batteries:
- Vyhledejte kryt přihrádky na baterie na zadní straně jednotky.
- Posuňte kryt ve směru šipky.
- Insert two AAA batteries, ensuring correct polarity (+/-) as marked inside the compartment.
- Bezpečně zavřete kryt bateriového prostoru.
Note: Always use fresh batteries for optimal performance. Remove batteries if the unit will not be used for an extended period to prevent leakage.
3.2. Zapnutí/vypnutí
To power on the GA-1, press the red MOC tlačítko. Pro vypnutí stiskněte a podržte MOC button until the display turns off. The unit will automatically power off after approximately 20 minutes of inactivity to conserve battery life.
4. Návod k obsluze
4.1. Selecting Instrument Mode (Guitar/Bass)
The GA-1 features dedicated modes for guitar and bass to ensure accurate tuning across different instrument ranges.
- Stiskněte tlačítko G/B tlačítko pro přepínání mezi KYTARA režim a BASS režimu.
- Vybraný režim se zobrazí na LCD displeji.
Guitar mode supports 7B through 1E. Bass mode supports low-B through Hi-C, including 6-string and 7-string basses.
4.2. Ladění nástroje
The GA-1 offers two methods for tuning: direct input or using the built-in microphone.
4.2.1. Direct Input Tuning (Electric Instruments)
For electric guitars and basses, connect your instrument directly to the GA-1 using a standard 1/4-inch instrument cable.
- Plug one end of a 1/4-inch instrument cable into your instrument's output jack.
- Plug the other end into the VSTUP jack on the right side of the GA-1 tuner.
- Pluck a single string on your instrument. The GA-1 will automatically detect the note.
- Observe the LCD display and LED indicators:
- The LCD needle-type meter will show if the note is flat, sharp, or in tune.
- The red LED on the left indicates the note is flat.
- The red LED on the right indicates the note is sharp.
- The green LED in the center indicates the note is perfectly in tune.
- Adjust your instrument's tuning peg until the green LED illuminates and the LCD needle is centered.


Figure 2: The GA-1 with its input jack (left) and tilt-slit for easy viewing (right).
4.2.2. Built-in Microphone Tuning (Acoustic Instruments)
For acoustic guitars, basses, or other acoustic instruments, use the GA-1's high-sensitivity built-in microphone.
- Place the GA-1 near the sound source of your acoustic instrument.
- Pluck a single string or play a note. The tuner will pick up the sound via its microphone.
- Follow the same LCD and LED indicator guidance as for direct input tuning to adjust your instrument.
4.3. Flat Tuning Mode (Quinta Flat)
The Quinta Flat Tuning mode allows you to tune your instrument down by 1 to 5 semitones (half steps), which is useful for various musical styles requiring lowered tunings.
- While in Guitar or Bass mode, press the BYT button repeatedly to select the desired number of semitones to tune down (b, bb, bbb, bbbb, bbbbb).
- The flat symbol(s) will appear on the LCD display, indicating the active flat tuning setting.
- Tune your instrument as usual, and the GA-1 will guide you to the correct lowered pitch.
4.4. Sound Out Function
The Sound Out function allows the GA-1 to emit a reference tone, which can be used for manual tuning by ear or for ear training exercises.
- Stiskněte tlačítko ZVUK button. The GA-1 will emit a reference tone through its internal speaker.
- Stiskněte tlačítko G/B button to cycle through the available reference notes (E, A, D, G, B, E for guitar; E, A, D, G for bass).
- Adjust your instrument's pitch to match the emitted tone.
4.5. Using the Tilt-Slit
For convenient hands-free viewing, the GA-1 features a tilt-slit on its rear panel.
- Insert a standard guitar pick into the tilt-slit on the back of the unit.
- This will allow the tuner to stand upright on a flat surface, providing an optimal viewúhel zobrazení.
4.6. Oficiální video produktu
Watch this official video from Korg for a visual demonstration of the GA-1's features and operation.
Video 1: Korg GA-1 Guitar and Bass Tuner Overview. This video demonstrates the key features and usage of the Korg GA-1 tuner, including its display, input options, and various tuning modes.
5. Údržba
To ensure the longevity and optimal performance of your Korg GA-1 tuner, follow these simple maintenance guidelines:
- Čištění: Otřete přístroj měkkým, suchým hadříkem. Nepoužívejte abrazivní čisticí prostředky, vosky ani rozpouštědla.
- Skladování: Ladičku skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Péče o baterie: Remove batteries if the unit will not be used for an extended period to prevent corrosion from battery leakage.
- Zacházení: Zabraňte pádu jednotky nebo jejímu vystavení silným nárazům, mohlo by dojít k poškození vnitřních součástí.
6. Řešení problémů
If you encounter issues with your Korg GA-1 tuner, refer to the following common problems and solutions:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Jednotka se nezapne. | Vybité nebo nesprávně vložené baterie. | Zkontrolujte polaritu baterií. Vyměňte za nové baterie AAA. |
| Tuner does not detect pitch. | Incorrect input method (mic vs. direct), low instrument volume, noisy environment. | Ensure instrument is plugged in correctly or mic is close to sound source. Increase instrument volume. Move to a quieter environment. |
| Nepřesné hodnoty ladění. | Interference, faulty cable (for direct input), incorrect instrument mode. | Ensure no other sounds are interfering. Try a different instrument cable. Verify correct Guitar/Bass mode is selected. |
| Sound Out function is too quiet/loud. | No volume control on unit. | The GA-1 does not have a volume control for the Sound Out function. Adjust your listening distance. |
7. Specifikace
- Model: GA-1
- Rozsah ladění: Guitar (7B, 6E, 5A, 4D, 3G, 2B, 1E), Bass (Low-B, E, A, D, G, C, Hi-C)
- Přesnost detekce: +/- 1 centu
- Referenční tón: Guitar (7B, 6E, 5A, 4D, 3G, 2B, 1E), Bass (Low-B, E, A, D, G, C, Hi-C)
- Flat Tuning: 1 to 5 semitones (Quinta Flat)
- Konektory: INPUT (1/4" monaural phone jack)
- Napájení: Dvě baterie AAA (3V)
- Životnost baterie: Approximately 100 hours (continuous A4 input, Guitar mode, zinc-carbon batteries)
- Rozměry (Š x H x V): 3.3 x 5.2 x 0.9 palce (84 x 132 x 23 mm)
- Hmotnost: 0.64 ounces (64 g, including batteries)
- Barva: Černý
- Typ materiálu: Plast
8. Záruka a podpora
Korg products are manufactured to the highest quality standards. For specific warranty information and support details, please refer to the warranty card included with your product or visit the official Korg webUschovejte si účtenku jako doklad o koupi pro případ reklamace.
Pro další pomoc kontaktujte zákaznickou podporu Korg prostřednictvím jejich oficiálních kanálů.





