Adding a Bike Profile

• 1). Press "Mode" to access the Garmin's main menu.
  
  
• 2). Select "Settings." Choose "Bike Profile."
  
  
• 3). Choose Profile 1, 2 or 3. Enter the weight of your bike in the"Weight" field.
  
  
• 4). Check the "Sensor Mounted" box if applicable. This requires you to have the GSC10 speed and cadence sensor on your bicycle. Leave the box unchecked if you are not using the sensor.
  
  
• 5). Select "Auto" or "Custom" in the drop-down box below "Wheel Size." Selecting "Auto" will not work without the GSC10 sensor. If "Custom" is selected, enter the tire size in the "Tire Size" field.
  
  

Changing the Bike Profile

• 1). Press "Mode" to access the Garmin 305 main menu.
  
  
• 2). Select "Settings," then choose "Bike Profile."
  
  
• 3). Select the profile you would like to use.
  
  
• 4). Press "Mode" to exit.