1. Introduktion
The FISCHER Wireless Bicycle Computer Model 50338 is designed to provide essential cycling data without the need for cables. It features an easy-to-read LCD display and offers 18 functions to track your rides. This manual provides instructions for installation, operation, and maintenance to ensure optimal performance. The computer operates wirelessly via radio transmission, is adjustable for any wheel size, and can display distances in either kilometers or miles. It is also splash-protected, making it suitable for use in light rain.

Billede 1: Forside view of the FISCHER Wireless Bicycle Computer.
2. Hvad er inkluderet
The package for your FISCHER Wireless Bicycle Computer includes all necessary components for immediate use:
- Fischer Wireless Bicycle Computer Unit
- Trådløs hastighedssensor
- Styrmonteringsbeslag
- Mounting Hardware (ties/bands)
- Batterier (forinstalleret eller medfølger separat)

Image 2: All components of the FISCHER Wireless Bicycle Computer system.
3. Opsætning og installation
Follow these steps to correctly install your bicycle computer:
3.1. Installer batterier
Ensure batteries are correctly inserted into both the computer unit and the wireless speed sensor. The product includes metallic lithium batteries with an average life of 200 hours.
3.2. Mount the Handlebar Bracket
- Position the handlebar mounting bracket on your bicycle's handlebar.
- Secure the bracket firmly using the provided mounting hardware (e.g., zip ties or rubber bands). Ensure it is stable and does not rotate during use.
- Slide the bicycle computer unit onto the bracket until it clicks into place.
3.3. Mount the Speed Sensor
- Attach the wireless speed sensor to the front fork of your bicycle.
- Position the sensor so that it aligns with the spokes of your wheel. The sensor detects wheel rotations.
- Secure the sensor using the provided mounting hardware. Ensure it is close enough to the wheel spokes to register rotations but does not interfere with wheel movement.

Image 3: Wireless speed sensor and handlebar mount installation overview.
3.4. Indledende indstillinger
Efter installationen skal computeren konfigureres til nøjagtige aflæsninger:
- Wheel Size Calibration: The computer can be adjusted for any wheel size. Refer to the specific instructions in the included quick start guide for entering your wheel circumference. This is crucial for accurate speed and distance measurements.
- Enhedsvalg: Choose between kilometers per hour (km/h) or miles per hour (mph) for speed and distance display.
4. Operating the Bicycle Computer (18 Functions)
The FISCHER Wireless Bicycle Computer features an intuitive button interface for accessing its 18 functions. The LCD display shows multiple data points simultaneously.
4.1. Grundlæggende navigation
Use the buttons on the computer unit to cycle through different display modes and access settings. Typically, there are one or two buttons for mode selection and setting adjustments.
4.2. Nøglefunktioner
While the full list of 18 functions is detailed in the product's quick start guide, common functions include:
- Aktuel hastighed: Viser din cykelhastighed i realtid.
- Gennemsnitshastighed: Shows the average speed for your current ride.
- Maksimal hastighed: Registrerer den højeste hastighed, der opnås under din tur.
- Køretid: Tracks the duration of your current cycling activity.
- Rejseafstand: Måler den tilbagelagte afstand på din nuværende tur.
- Samlet afstand (kilometertæller): Accumulates the total distance covered over all rides.
- Ur: Viser det aktuelle klokkeslæt.
- Scanningstilstand: Automatically cycles through various data displays.
- Temperatur: (If available) Displays ambient temperature.
- Forbrændte kalorier: (If available) Estimates calorie consumption.
For detailed instructions on each function and how to reset trip data, please refer to the comprehensive user manual provided with the product.
5. Vedligeholdelse
Proper maintenance ensures the longevity and accuracy of your bicycle computer.
5.1. Rensning
Clean the computer unit and sensor with a soft, damp cloth. Do not use abrasive cleaners or solvents. The device is splash-protected, meaning it can withstand light rain, but it is not designed for submersion.
5.2. Udskiftning af batteri
When the display becomes dim or functions become erratic, it's time to replace the batteries. Both the computer unit and the sensor use metallic lithium batteries. Refer to the quick start guide for specific battery types and replacement procedures. Dispose of old batteries responsibly.
6. Fejlfinding
If you encounter issues with your FISCHER Wireless Bicycle Computer, try the following solutions:
- No Speed/Distance Display:
- Check if the speed sensor is correctly aligned with the wheel spokes and is within range of the computer unit.
- Ensure batteries in both the computer and sensor are fresh and correctly inserted.
- Verify that the wheel size setting is correctly entered.
- Upræcise læsninger:
- Recalibrate the wheel size setting.
- Ensure the sensor is securely mounted and not moving during rides.
- Kontrollér for potentiel elektromagnetisk interferens fra andre elektroniske enheder.
- Skærmen er tom eller svag:
- Replace the batteries in the computer unit.
- Check for extreme temperatures, which can affect LCD performance.
If problems persist, contact Fischer customer support for further assistance.
7. Specifikationer
| Modelnummer | 50338 |
| Mærke | Fischer |
| Forbindelsesteknologi | Wireless (Proprietary) |
| Display Type | LCD |
| Sensortype | Hastighedssensor |
| Batterisammensætning | Metallic Lithium |
| Gennemsnitlig batterilevetid | 200 timer |
| Monteringstype | Styrmontering |
| Produktmål (L x B x H) | 4 x 13 x 20 cm (packaging); 10L x 10W x 10H millimeters (item) |
| Vægt | 100 gram |
| Farve | Sort |
| Vandbeskyttelse | Splash-protected |
| input interface | Knapper |
8. Garanti og support
8.1. Garantioplysninger
This product is subject to a return policy with a duration of 30 days for refund or replacement, as per Amazon's policy. For specific manufacturer warranty details, please refer to the documentation included with your product or visit the official Fischer webwebsted.
8.2. Kundesupport
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact Fischer customer support. Contact information can typically be found on the product packaging, the official Fischer webhjemmeside eller gennem din forhandler.