24
4 - Operations
4.3.3 KEYPAD LOCK
To lock/unlock the keypad press
the keys
í
and
è
simulta-
neously for 2 seconds.
To confirm the keypad lock/unlock
the display flashes once.
The keypad lock/unlock can be
achieved by serial communications
too.
A
The keypad lock is main-
tained in case of power
failure.
274.8
275.0
4
4.3.4 OUTPUTS LOCK
The outputs are switched to the
OFF status by pressing the keys
è
and
%
together.
When the outputs are locked, the
message
#Off
is displayed
instead of the Setpoint value.
To unlock the outputs press again
the keys simultaneously
(the Soft-start will be enabled).
The outputs lock/unlock can be
achieved by serial communica-
tions too
A
The outputs lock/unlock is
maintained in case of
power failure.
274.8
OFF
4
operator mode
Press simultaneously
for 2 seconds
4.3.5 AUTO / MAN
• Press
è
to confirm. Back to
operator mode.
• The
{
led shows the manual
mode status.
• When manual mode is active,
the Setpoint display shows the
output value, that can be mod-
ified by
$ %
MAN
A.Man
Auto
275..0
274.8
A.Man
Man
Operator
mode
Select
#Man
to switch to manual mode
Select
#Auto
to switch to automatic
mode
M4UK.ed6 20-05-2005 11:43 Pagina 24
