Set Temperature Unit (Only For Centrifuge With Refrigeration); Setting Program Locks - Hettich ROTINA 420 R Bedienungsanleitung

26

Set temperature unit (only for centrifuge with refrigeration)

The temperature can be entered in degrees Celsius (°C) or in degrees Fahrenheit (°F).
When the rotor is at standstill, the temperature unit must be set as follows:
You can scroll backwards through the menu by pressing the
The operation can be cancelled at any time by pressing the
stored.

Keep the key held down for 8 seconds.
PROG
After 8 seconds,  Machine Menu  appears in the display.

Press the key as often as necessary until the ->Settings is displayed.
PROG

Press the key. The SOUND / BELL = off/on is displayed.
START

Press the key as often as necessary until Temp Unit = Celsius/Fahrenheit is displayed.
PROG

Use the adjusting knob

Press the key to save the setting.
START
Briefly, Store Settings ... is displayed as confirmation, followed by -> Settings.

Press the key once to leave the "Settings" menu or press the
OPEN / STOP
"Machine Menu".
27

Setting program locks

When the rotor is at a standstill, the following program locks can be set:
LOCK 1 is displayed in the "
LOCK 1
Programs can only be called up but not modified.
LOCK 2 is displayed in the "
LOCK 2
No programs can be called up and modified.
The centrifuge can be controlled via the interface (only for centrifuge with interface).
No status display.
LOCK 3
No program locking. Programs can be called up and modified.
The operation can be cancelled at any time by pressing the
stored.

Keep the key held down for 8 seconds.
PROG
After 8 seconds,  Machine Menu  appears in the display.

Press the key as often as necessary until the ->Change LOCK is displayed.
PROG

Press the key.The lock status is displayed.
START
If no PIN has been entered, LOCK = 3 confirm by START, for example, will be displayed.
If a PIN has been entered, LOCK = 3, for example, will be displayed.

Use the adjusting knob to set the desired lock status.
If a PIN has been entered, PIN = ---- confirm by START will be shown. In this case, a valid PIN has to
be entered with the
status can be set.

Press the key to save the setting.
START
Briefly, Store LOCK 2 ... is displayed as confirmation, followed by -> Change LOCK.

Press the key once to leave the "Change LOCK" menu or press the
OPEN / STOP
the "Machine Menu".
to set Celsius or Fahrenheit.
" field.
" field.
adjusting knob and then the
key.
T/°C
key. In this case, the settings are not
OPEN / STOP
key twice to leave the
OPEN / STOP
key. In this case, the settings are not
OPEN / STOP
button has to be pressed before the lock
START
OPEN / STOP
EN
key twice to leave
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