UP-3300 (serv.man4). Service settings - Sharp EPOS Handy Guide. Page 5

5

This is where the service lines or parameters of the machine are
set. Service lines will be covered in a later guide.

The Training clerk and the Training mode are the areas where you
can assign up to two clerks as Training clerks together with the
text you wish to be printed this text is defaulted as Training

The Journal printing does not take place for the training clerk and
the consecutive number is not updated.
The only report that will contain any figures for the training clerks
is the Clerk reports.

The next item is the Service secret code this is an eight-digit
number that can be set to allow personnel to gain entry into the
service mode, without using the reset switch.
As we previously explained the code is entered after the mode key
is pressed from the home screen. This code is defaulted to eight
nines.

These 2 areas are covered in Guide-1.

The Initial key layout will reset all the key screens to their Master
Reset Condition if you select this setting you will be asked to
confirm.

The  File setting is the area that you will either create or delete,
increase or decrease specific files. The files that will be displayed
are in fact the groups.  Changing these groups will change the
associated files.
Supervisor on or off