Use Case:  Set Guide Window Size

Description:  Set the autoguiding readout window size. It is not possible to change dynamically window size while Autoguiding.

Role(s)/Actor(s): 
Primary: Operator,Maintenance

Priority: Critical

Performance: 1 second

Frequency: Whenever requested

Package Assignment:  Auto Guiding.

Preconditions: 

• AG is IDLE
• FAS is ONLINE

Basic Course: 

• Send command to set FAS readout window size
  Exception Course: Command failed
• ATCS Prepares FAS Setup with new window size for FAS Acquisition
  Exception Course: Illegal window definition
• ATCS returns OK reply

Exception Course: Command failed

• ATCS returns ERROR reply
  

Exception Course>: Illegal window definition

• ATCS returns ERROR reply
  

Postconditions: 

• Window size stored in setup configuration to be used for next StartAg

Issues to be Determined or Resolved: 

Notes:

Last modified: Thu Jun 28 13:04:10 UTC 2001