Button Operation Overview - Sportline SP4420/710 W Instruction Manual

BUTTON OPERATION OVERVIEW

HEART RATE SENSOR
CONTACT KEY (SC)
• Heart Rate Key (HR)
- Press & Hold: activate Heart Rate function;
must be pressed at the same time with
Heart Rate Sensor Contact Key (SC)
• Heart Rate Sensor Contact Key (SC)
- Press & Hold: activate Heart Rate function;
must be pressed at the same time with
Heart Rate Key (HR)
6
SP4420IS03SPO.indd 6 SP4420IS03SPO.indd 6
HEART RATE
KEY (HR)
CROWN
• Crown
- Adjust analog time display
• Back Cover (Sensor Contact)
- Primary heart rate sensor
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