Section 14: Flags210
HP-41C USER FLAGS (00 THROUGH 29)  
Flag Name  
  Flag Number    Set    Clear   Test   
Status  
General Purpose User Flags (11)   00 through 10   x   x   x   Always maintained by Continuous memory.
Special Purpose User Flags (10)   11 through 20   x   x   x   Cleared each time the HP-41C is turned on.
Automatic Execution Flag (Special Purpose Flag 11)   11   x   x   x   Cleared each time the HP-41C is turned on.
Printer Enable Flag   21   x   x   x   Matches flag 55 status each time HP-41C is turned on.
Numeric Input Flag   22   x   x   x   Cleared each time the HP-41C is turned on.
ALPHA Input Flag   23   x   x   x   Cleared each time the HP-41C is turned on.
Range Error Ignore Flag   24   x   x   x   Cleared each time the HP-41C is turned on.
Error Ignore Flag   25   x   x   x   Cleared each time the HP-41C is turned on.
Audio Enable Flag   26   x   x   x   Set each time the HP-41C is turned on.
USER Mode Flag   27   x   x   x   Always maintained by Continuous memory.
Decimal point Flag   28   x   x   x   Always maintained by Continuous memory.
Digit Grouping Flag   29   x   x   x   Always maintained by Continuous memory.