Isgus Perfect 2040 Operating Manual page 71

Hint
In order to be able to better understand how differences and
totals are determined and for reasons of clarity, we recommend
setting only one type of rounding in the recorder, either rounding
IN/OUT punchings or rounding results.
Chapter 4
= Confirm selection.
= Set rounding qualification for
IN punching.
Range of values: 00 - 29 min.
Hint: By keeping this key
pressed the value is scrolled.
= Confirm selection.
= Set rounding qualification for
OUT punching.
Range of values: 0 - 29 min.
Note: By keeping this key
pressed the value is scrolled.
= Confirm selection.
Recorder changes to next
input level.
= Select time to be printed on
the card:
Range of values:
rounded,
not rounded.
= Confirm selection and return to
menu level.
= Continue with next parameter.
Hint: Use "E" to return to the
input level.
Getting Started 4-39