12  | Assembling and Maintaining the 835 Climber | 
 | 31  | 
Informational Displays Prior to Shutdown  | 32  | 
Symptoms of a Low Battery  | 32  | 
Using the Optional Power Adapter  | 33  | 
The Optional Power Adapter Kit  | 33  | 
Replacing the Battery  | 34  | 
Commercial Cardiovascular Equipment Limited Warranty .... | 35  |