Agilent Technologies 8590 Series Service Manual page 205

If the analyzer is an 8591C, the analyzer's startup routine will identify
it as an 8591E. Use this procedure to change the identity back to an
8591C.
Press the following keys.
Use the softkeys to type in the following remote command. Don't forget
to include the semicolon (;).
A remote controller may be used in place of the execute title function.
NOTE
Confirm that the correct analyzer model number is displayed.
Set the default configuration
Set the default configuration by pressing the following analyzer keys.
Chapter 3
(wait until preset is complete)
PRESET
,
DISPLAY Change Title
FACTSET 11023,1;
,
DISPLAY Hold
Press the following keys.
,
CAL, More 1 of 4 More 2 of 4
(wait until preset is complete)
PRESET
,
CONFIG, More 1 of 3 SHOW OPTIONS
, ,
CONFIG More 1 of 3 DEFAULT CONFIG
Backing Up and Reloading Correction Constants
, ,
Service Cal EXECUTE TITLE
,
DEFAULT CONFIG
Analyzer Initialization
205