User manual

47Starting the software
DE Dostmann Electronic GmbH
Temperatures and humidity:
The limit values are available as lower limit (Lo) or upper limit (Hi) for each
measuring channel. With LOG-100, these are only temperature limit values, With
LOG-110, these are temperature and humidity limit values. An external sensor can
only be used when the "Use an external sensor" box is activated. The entered limit
values are only used when the corresponding boxes are activated. Whilst retaining
the values, they may be easily activated or deactivated by simply modifying the
boxes.
Alarm output:
The treatment of the limit value surpassings can be performed via the red LED in the
logger and / or the beeper. In the alarm output, the way of displaying messages is
defined as well as the repetition rate of these messages and their display time. The
repetition rates are limited to 64 seconds max. for the LED and beeper, the duration
is limited to 10 s max. in increments of 0.5 seconds – each with a maximum duration
of the lag set minus 0.5 s. A time lag of 0 second causes the deactivation of the
alarm output.
Alarm evaluation:
The alarm evaluation determines the delay time (in measurement cycles) with which
the alarms must be treated, if they should occur in a cumulative way, if only the
permanent alarms must be signalled and canceled.
WARNING! The corresponding alarm messages only appear when the LED display or the