1. محصول ختم شوview
The Donner DBM-100 is a versatile 3-in-1 digital device combining a metronome, tuner, and tone generator. Designed for musicians, it features a rechargeable battery, a clear VA HD LCD display, and a compact, portable design. This manual provides instructions for its proper use and maintenance.

انځور 1.1: مخکی view of the Donner DBM-100 Metronome Tuner, showcasinد هغې د ښودلو او کنټرول تڼۍ.
2. د بسته محتويات
- Donner DBM-100 Metronome Tuner
- USB-C Charging Cable (charger not included)
- د کارونکي لارښود (دا لاسوند)
۳. د وسیلې ترتیب او کنټرولونه

Image 3.1: Diagram illustrating the various parts and controls of the DBM-100.
- 3.5 mm Headset Output Interface: د هیډفونونو سره وصل کولو لپاره.
- TYPE C Power Input Interface: د وسیله چارج کولو لپاره.
- Indicator Screen: The main display for all modes.
- د بیټرۍ کچه شاخص: Shows current battery charge.
- Cent Value and Metronome Display: Shows tuning deviation or metronome settings.
- د حجم کنټرول: د محصول حجم تنظیموي.
- Note Value: Displays the detected note in tuner mode.
- Hz Value Display/BPM Speed Value: Shows frequency in tuner mode or tempo in metronome mode.
- Sound Source Indicator: Shows selected metronome sound.
- د LED شاخص: Provides visual feedback for tuning and rhythm training.
- Function and Parameter Adjustment Buttons (Up/Down/Select): د مینو نیویګیټ کولو او ترتیباتو تنظیمولو لپاره کارول کیږي.
- Pickup Microphone: Internal microphone for sound detection.
- د محصول حجم سمون: Physical knob for volume control.
- Mode Switch (MENU button): Cycles between Tuner, Trainer, and Metronome modes.
- د TAP تڼۍ: Used for tempo detection in metronome mode.
- سرچینه تtonۍ: Changes metronome sound source.
- د پاور/پلې/پاز تڼۍ: Turns the device on/off and starts/stops the metronome.
۵. تنظیم او اساسي عملیات
4.1. د وسیلې چارج کول
The DBM-100 features a built-in rechargeable lithium battery. To charge, connect the provided USB-C cable to the TYPE C Power Input Interface (2) on the device and to a standard USB power adapter (not included). A full charge takes approximately 2.5 hours and provides up to 12 hours of use.

Image 4.1: Illustration of the DBM-100 being charged, highlighting its rechargeable nature.
4.2. بریښنا فعال/بند
Press and hold the Power/Play/Pause Button (17) to turn the device on or off.
4.3. حالت انتخاب
Press the Mode Switch (MENU button) (14) to cycle through the available modes: Tuner, Trainer, and Metronome.
5. عملیاتي طریقې
5.1. د تونر حالت
In Tuner mode, the device detects the pitch of your instrument. The display shows the detected note (7), its frequency in Hz (8), and a visual indicator of tuning accuracy (5).

Image 5.1: The DBM-100 display in Tuner mode, showing frequency adjustment and instrument type selection.
5.1.1. Instrument Settings
The tuner supports 5 instrument tuning settings: Chromatic (C), Guitar (G), Ukulele (U), Bass (B), and Violin (V). Use the Function and Parameter Adjustment Buttons (11) to select the appropriate instrument mode.
5.1.2. د تعدد تعدیل
The reference pitch (A4) can be adjusted from 430Hz to 450Hz. Use the Up/Down buttons (part of 11) to change the A4 frequency.
5.1.3. Tuning Indication
- The needle on the display (5) indicates pitch deviation.
- When the needle is centered and the LED indicator (10) turns green, the note is in tune.
- If the needle is to the left, the note is flat. If to the right, the note is sharp.
5.2. Metronome Mode
The metronome provides a steady beat for rhythm practice. It offers a tempo range of 30-280 BPM and adjustable beat accents.

Image 5.2: The DBM-100 display in Metronome mode, showing tempo, beat, and sound source options.
5.2.1. Tempo Setting
Use the Up/Down buttons (11) to adjust the tempo (BPM) from 30 to 280.
5.2.2. Beat Accent Setting
The metronome supports beat accents from 0 to 9. Use the Select button (11) to cycle through the beat settings and the Up/Down buttons to adjust the value.
5.2.3. Sound Sources
Press the Source button (16) to switch between 3 instrument sounds and 1 vocal count. The current sound source is indicated on the display (9).
5.2.4. د حجم سمون
Adjust the output volume using the physical Output Volume Adjustment knob (13) on the side of the device. A 3.5mm headphone jack (1) is available for private practice.
5.2.5. Tempo Detection (TAP Function)
Press the TAP button (15) in rhythm with a song or desired tempo. The device will detect and display the BPM.
5.3. Trainer Rhythm Mode
This mode helps improve rhythm accuracy. The built-in microphone (12) detects your playing and provides visual feedback if your sound aligns with the current rhythm pattern.

Image 5.3: The DBM-100 in Trainer Rhythm Mode, showing the light display for feedback.
5.3.1. Feedback Mechanism
- The LED indicator (10) provides dynamic feedback.
- A green light indicates correct timing.
- Red lights indicate timing deviation (too early or too late).
- This mode can be used for "blind test" training, where the metronome sound temporarily mutes, and you rely on the visual feedback.
5.4. Tone Generator Mode
The DBM-100 can generate specific tones for ear training or reference. To access this mode, first select TUNER mode using the Mode Switch (14). Then, use the Up/Down buttons (11) to adjust the pitch of the generated tone.
6. ساتنه
6.1. پاکول
وسیله د نرم او وچ ټوکر سره پاک کړئ. مایع پاکوونکي یا د کثافاتو موادو څخه کار مه اخلئ.
6.2. د بیټرۍ پاملرنه
To prolong battery life, avoid fully discharging the device frequently. Charge it regularly, even if not in constant use. Store in a cool, dry place.
6.3. ذخیره کول
When not in use for extended periods, store the DBM-100 in its original packaging or a protective case to prevent damage from dust or impacts.
7. ستونزه حل کول
| ستونزه | احتمالي لامل | د حل لاره |
|---|---|---|
| وسیله فعاله نه ده. | ټیټ یا ختم شوی بیټرۍ. | د USB-C کیبل په کارولو سره وسیله چارج کړئ. |
| Tuner is inaccurate or inconsistent. |
|
|
| Tuner does not detect low notes (e.g., cello). | Frequency range limitations for very low notes. | While designed for a wide range, extremely low frequencies may be challenging for any clip-on or internal microphone tuner. Ensure the instrument is producing a clear, sustained tone. |
| Metronome sound is too low. | د حجم ترتیب خورا ټیټ دی. | Adjust the Output Volume Adjustment knob (13) on the side of the device. Consider using headphones (1). |
8. مشخصات
| فیچر | تفصیل |
|---|---|
| د ماډل شمیره | DBM-100 (EC6954) |
| افعال | Tuner, Metronome, Tone Generator, Trainer Rhythm Mode |
| د تونینګ سلسله | Chromatic (C), Guitar (G), Ukulele (U), Bass (B), Violin (V) |
| د A4 فریکونسي رینج | 430Hz - 450Hz |
| د میټرونوم ټیمپو رینج | ۰ - ۶۰۰۰ bpm |
| Metronome Beat Accents | 0 - 9 beats |
| ښودل | VA HD LCD Color Display |
| د بریښنا سرچینه | د چارج وړ لیتیم پولیمر بیټرۍ (شامل ده) |
| د چارج کولو وخت | نږدې 2.5 ساعته |
| د کارونې وخت | تر 12 ساعتونو پورې |
| د توکي وزن | ۷.۳۷ اونس (تقریبا ۲۰۹ ګرامه) |
| ابعاد | ۲.۶۴ x ۲.۳۲ x ۲.۷۶ انچه (تقریبا ۶.۷ x ۵.۹ x ۷ سانتي متره) |
9. تضمین او ملاتړ
For warranty information and technical support, please refer to the official Donner webسایټ ته مراجعه وکړئ یا خپل پرچون پلورونکي سره اړیکه ونیسئ. د تضمین ادعاوو لپاره د پیرود رسید وساتئ.





