![background image](http://html2.mh-extra.com/html/oartec/training-monitor/training-monitor_operation-manual_3113443007.webp)
PORTS
AT the back of the monitor there are four ports for specific cable connection.
The first small port is for the flywheel sensor cable (labelled Sensor Port)
The second small port is for the Polar Heart Rate receiver.(labeled HR Port)
The USB port is for connecting the monitor to a computer.
The Network port is for connecting to other Oartec monitors.
BATTERIES
The Oartec Workout Monitor takes 4 AA standard batteries and access to the
battery compartment is by sliding open the battery cover as shown.