Leica CM3050 S Manuel D’Utilisation
46
Instruction Manual V1.2 - 11/2006
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5.
Operation
5.7.2 Manual chamber defrost cycle
In addition to the automatic defrost cycle, a
manual chamber defrost cycle can be activat-
ed when necessary.
manual chamber defrost cycle can be activat-
ed when necessary.
•
Press
until menu item ‘Set chamber
temperature’ is displayed:
•
Press
. A brief sound signals that the
manual chamber defrost cycle has started:
The manual defrost cycle ends either when the
selected defrost cycle duration is over or when
a chamber temperature of -5 °C is reached.
To abort the manual defrost cycle:
selected defrost cycle duration is over or when
a chamber temperature of -5 °C is reached.
To abort the manual defrost cycle:
•
Go back to menu item ‘Set chamber tem-
perature’ and press
perature’ and press
again.
Instruments with specimen cooling:
When defrosting starts, to avoid icing the spec-
imen head is automatically adjusted to a tem-
perature between -10 °C and -5 °C, i.e. the set
temperature value is deactivated temporarily.
(same as with automatic defrost cycle - see
chapter 5.7.1 ‘Automatic chamber defrost cy-
cle’)
imen head is automatically adjusted to a tem-
perature between -10 °C and -5 °C, i.e. the set
temperature value is deactivated temporarily.
(same as with automatic defrost cycle - see
chapter 5.7.1 ‘Automatic chamber defrost cy-
cle’)
10 seconds after the manual chamber defrost cy-
cle has been completed, the specimen head re-
frigeration is switched back on, cooling down to
the set value.
cle has been completed, the specimen head re-
frigeration is switched back on, cooling down to
the set value.
5.7.3 Defrosting the specimen head
To activate specimen head defrosting:
•
Press
until menu item ‘Set specimen
temperature’ is displayed:
•
Press
. A brief sound signals that the
manual chamber defrost cycle has started:
Specimen head temperature increases to be-
tween +20 °C and +30 °C for a duration of 10
minutes, after which it returns to the set value.
tween +20 °C and +30 °C for a duration of 10
minutes, after which it returns to the set value.
To abort specimen head defrosting:
•
Press
until menu item ‘Set specimen
temperature’ is displayed and press
once more.
once more.
(instruments with specimen cooling
only)
only)
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