16  | Assembling and Maintaining the RBK 615 Recumbent Exercise Bike  | 
 | 41  | 
Informational Displays Prior to Shutdown  | 42  | 
Symptoms of a Low Battery  | 42  | 
Using the Optional Power Adapter  | 43  | 
The Optional Power Adapter Kit  | 43  | 
Replacing the Battery  | 44  | 
Commercial Cardiovascular Equipment Limited Warranty | 45  |