140 |    Part 4   
4.1  Acknowledging a maintenance task. 
Acknowledge the message when a maintenance task has been completed. 
Procedure.  
(1)  Select the "Diagnostics" operating area. 
(2)  Press the menu forward key and then the "Service planner" soft key. 
The window with the list of all the maintenance tasks that have been set 
up appears. 
(3)  Perform  the  maintenance  task  when  the  maintenance  interval  has 
nearly expired or when prompted to do so by alarms or a warning. 
(4)  After you have performed a pending maintenance task and the task is 
signaled  as  "Completed",  position  the  cursor  at  the  appropriate  task 
and press the "Servicing performed" soft key. A message is displayed 
confirming  the  acknowledgment,  and  the  maintenance  interval  is 
restarted