Vetta RT55 User Manual

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Contact Points
Battery Compartment
Battery Cover
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HEAD UNIT: REAR
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Vetta cycle computers are sophisticated electronic instruments. Vetta recommends that this product
be installed only by a qualified bicycle retailer. Failure to read these instructions and/or improper
installation of this device may void the warranty. If in doubt about any aspect of the installation
or operation of this product, consult your local bicycle retailer for clarification.
The head unit is water resistant and sealed to withstand wet weather conditions. However, do not
deliberately place it in water.
Avoid leaving the head unit exposed to extremely hot weather conditions.
Vetta encourages you to ride safely. Wear a helmet every time you ride, use front and rear lights at
night, and always keep your eyes on the road ahead of you.
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WARNINGS & CAUTIONS
HEAD UNIT: FRONT
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Upper Display (Speed)
Speed Comparator Icon
Service Timer Icon
Speed/Distance Units
RPM Indicator
Lower Display
Function Icons
Set/Select Button (Left)
Mode/Advance Button (Right)
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Vetta RT55 Specifications

General

Brand	Vetta
Model	RT55
Category	Bicycle Accessories
Language	English

Summary

WARNINGS & CAUTIONS

General Safety and Installation Guidelines

Recommends professional installation, notes water resistance, warns against extreme heat, and advises safety gear and lights.

COMPONENT IDENTIFICATION AND BATTERY INSTALLATION

Head Unit Battery Installation

Shows how to install the CR2032 battery into the head unit, indicating open/close positions.

MAIN UNIT SETUP AND CONFIGURATION

Clock and Time Setup

Guides on setting the clock between 12-hour and 24-hour formats and setting the current time.

System Settings Configuration

Details setting the service timer, speed/distance units, and wheel circumference.

WHEEL CALIBRATION AND PRIMARY FUNCTIONS

ADVANCED FUNCTIONS AND TROUBLESHOOTING

Installation Procedures: Wired Sensors

Illustrates the installation of wired speed sensors and cadence sensors with magnets and mounting hardware.

MOUNTING, TESTING, AND PROBLEM SOLVING

Head Unit Mounting and Securing

Installation Tests and Verification

Troubleshooting Common Issues

Lists common problems like erratic readings, slow display, and solutions involving sensor alignment, wiring, and temperature.

TROUBLESHOOTING AND WARRANTY INFORMATION