GE akta start Maintenance Manual page 126

5 Service and settings
5.14 System
5.14.4 Switch valve timing
Step
5
6
126
Action
If wavy gradients still are obtained, or if fluctuations on step gradient levels
are large, then select Advanced timing.
Result: The following screen opens.
Set switch valve time in the range of 3.0 to 5.0 sec (0.1 sec increments) by
pressing the up/down arrows.
Tap Save to save the optimized timing.
ÄKTA start Maintenance Manual 29-0603-08 AC