1. Introduktion
This manual provides essential instructions for the safe and effective use of your GRUNDIG TENS EMS Fitness 3-in-1 Therapy Device, model KTR-2610. This certified medical device is designed for pain relief, muscle stimulation, and muscle relaxation. Please read this manual thoroughly before first use and retain it for future reference.
2. Vigtige sikkerhedsoplysninger
WARNING: Do not use this device if you have a pacemaker or any other electronic implant.
Kontakt din læge, før du bruger denne enhed, hvis du har en af følgende tilstande:
- Hjerterytmeforstyrrelser
- Anfald
- Open wounds or skin diseases in the area of electrode placement
- Malignant diseases
- Graviditet
The electrodes comply with ISO 10993-5 and -10 standards. Ensure electrodes are replaced as needed, typically after 2 years of use or when adhesion diminishes.

Image: A doctor discusses the device with a patient, highlighting important medical considerations before use.
3. Pakkens indhold
Kontroller venligst, at alle varer er til stede i din pakke:
- 1 x GRUNDIG TENS EMS Fitness 3-in-1 Therapy Device
- 4 x elektrodepuder
- 2 x elektrodekabler
- 1 x USB ladekabel
- 1 x Flersproget brugermanual
- 1 x Travel Case with separate electrode compartment

Image: The GRUNDIG therapy device shown with its connected electrode pads, illustrating the complete package.
4. Enhed overview
The GRUNDIG KTR-2610 device features a clear display and intuitive controls for easy operation.

Image: The device's display shows battery level, timer, program number, and intensity levels for two channels. Buttons for intensity adjustment, mode selection (A, M, F), and power are visible.
4.1. Displayindikatorer
- Batteriindikator: Viser den resterende batterilevetid.
- Timer: Displays remaining treatment time (15, 30, or 45 minutes).
- Programnummer: Indicates the selected program (1-50).
- Intensitetsniveau: Shows intensity for Channel 1 (Ch1) and Channel 2 (Ch2) (1-16 levels).
- Funktionstilstand: Indicates TENS, EMS, or FITNESS mode.
4.2. Kontrolknapper
- On/Off knap: Tænder eller slukker for enheden.
- '+' / '-' Buttons (Ch1/Ch2): Adjust intensity for each channel.
- A-knap: Selects automatic programs.
- 'M'-knap: Selects manual programs.
- 'F'-knap: Changes/sets function mode (TENS, EMS, Fitness) and time.
5. Opsætning
5.1. Opladning af enheden
Before first use, fully charge the device. Connect the USB charging cable to the device's charging port and to a suitable USB power source (e.g., computer, USB wall adapter). The battery indicator on the display will show charging status. A full charge provides power for numerous applications.

Image: The device's USB charging port is shown with a USB Micro Type B cable connected, emphasizing the rechargeable lithium-ion battery.
5.2. Tilslutningselektroder
- Sørg for, at enheden er slukket.
- Connect the electrode cables to the device's output channels (Ch1 and Ch2).
- Attach the electrode pads to the ends of the electrode cables.
- Peel off the protective film from the self-adhesive gel pads.
- Apply the pads firmly to clean, dry skin in the desired treatment area. No contact gel is necessary.

Image: A hand demonstrates the application of a self-adhesive gel pad directly onto the skin, showing its ease of use without additional gel.
6. Driftstilstande
The GRUNDIG device offers three primary modes:
- TENS (transkutan elektrisk nervestimulation): Primarily for pain relief by blocking pain signals and stimulating endorphin release. Features 20 modes with pulse frequencies of 20-100 Hz.
- EMS (elektrisk muskelstimulering): Used for muscle relaxation, muscle training, and preventing muscle atrophy. Features 20 modes with pulse frequencies of 1-15 Hz.
- Fitness/Massage: Designed for muscle training, relaxation, and promoting local blood circulation. Features 10 modes with pulse frequencies of 2-16 Hz.
The device has 50 pre-set programs and 16 intensity levels across these modes.

Image: The device is shown connected to electrodes on both a foot and an arm, illustrating its dual-channel capability and the application of TENS, EMS, or Fitness modes for different body areas.
7. Betjening
- Tænd: Press and hold the 'On/Off' button to turn on the device.
- Vælg tilstand: Press the 'F' button to cycle through TENS, EMS, and FITNESS modes.
- Vælg program: Use the 'A' button for automatic programs or the 'M' button for manual programs. The display will show the program number.
- Indstil timer: Press the 'F' button again (after selecting mode) to adjust the treatment time (15, 30, or 45 minutes).
- Juster intensitet: Use the '+' and '-' buttons for Channel 1 (Ch1) and Channel 2 (Ch2) to gradually increase or decrease the intensity to a comfortable level. Start with the lowest intensity and increase slowly.
- Behandling: The device will operate for the selected duration.
- Sluk: After the session, or to stop early, press and hold the 'On/Off' button.
8. Elektrodeplacering
Proper electrode placement is crucial for effective treatment. The device display may show suggested pad positions based on the selected program. Generally, place electrodes on clean, dry skin over or around the area requiring treatment. Avoid placing electrodes directly over joints, open wounds, or sensitive areas.
Common treatment areas include shoulders, hips, back, neck, arms, legs, and feet.

Image: The device is shown held in a hand, illustrating its ergonomic design. The image also details the approximate dimensions of the electrode pads (5.5 cm x 5 cm) and their ISO compliance.
9. Vedligeholdelse
9.1. Rengøring af enheden
Tør enheden af med en blød, damp klæde. Brug ikke slibende rengøringsmidler eller nedsænk enheden i vand.
9.2. Elektrodepleje
- After each use, reattach the protective film to the electrode pads to maintain their adhesive quality.
- Store electrodes in the provided travel case.
- Replace electrodes when they lose their stickiness or show signs of wear. Electrodes are durable for up to 2 years.
9.3. Opbevaring
Store the device and accessories in the travel case in a cool, dry place, away from direct sunlight and extreme temperatures.
10. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke | Lavt batteri | Oplad enheden helt. |
| Ingen følelse eller svag følelse | Electrodes not properly attached or worn out; Intensity too low; Cable connection loose | Ensure electrodes are firmly attached to clean skin; Increase intensity gradually; Check electrode cable connections; Replace old electrodes. |
| Hudirritation under elektroderne | Skin not clean; Electrodes used too long; Allergic reaction | Clean skin thoroughly before use; Reduce treatment time; Discontinue use if irritation persists and consult a doctor. |
11. Specifikationer
- Modelnummer: KTR-2610
- Mærke: Grundig
- Funktioner: TENS, EMS, Fitness/Massage
- Programmer: 50 (20 TENS, 20 EMS, 10 Fitness/Massage)
- Intensitetsniveauer: 16
- Kanaler: 2 (independently controllable)
- TENS Pulse Frequency: 20-100 Hz
- EMS Pulse Frequency: 1-15 Hz
- Fitness Pulse Frequency: 2-16 Hz
- Timerindstillinger: 15, 30, 45 minutter
- Batteri: Genopladeligt litium-ion-batteri (1 medfølger)
- Dimensioner: 16.1 x 8.4 x 4.9 cm
- Vægt: 290 gram
- Oprindelsesland: Kina
12. Garanti og support
For warranty information and customer support, please refer to the specific terms provided with your purchase or contact Grundig customer service. Keep your proof of purchase for any warranty claims.





