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34.4
Prevent cooling being switched on during run-out
If necessary it can be set so that at the end of the centrifugation run during run-out, once the specified speed has
been attained, cooling is not switched on.
This avoids whirling up the sediment in the sample.
The speed can be set between 0 RPM and the maximum speed of the rotor (Nmax) in increments of 10.
When the rotor is at a standstill, the speed is set as follows:
This setting can only be made via the operating unit (key position "0" or "LOCK 2"). The functions of the
various key positions are described in the "Key-operated switch" chapter.
You can scroll backwards through the menu by pressing the
T/°C
key.
The operation can be cancelled at any time by pressing the
OPEN / STOP
key. In this case, the settings are not
stored.
Keep the
PROG
key held down for 8 seconds.
After 8 seconds,
Machine Menu
appears in the display.
Press the
PROG
key as often as necessary until the
->Settings
is displayed.
Press the
START
key. The
SOUND / BELL = off/on
is displayed.
Press the
PROG
key as often as is needed until the
Cool dec speed = … rpm
.
Use the adjusting knob to set the value you want.
Press the
START
key to save the setting.
Briefly,
Store Settings ...
is displayed as confirmation, followed by
-> Settings
.
Press the
OPEN / STOP
key once to exit the "Settings" menu or press the
OPEN / STOP
key twice to exit the
"Machine Menu".
35 Key-operated
switch
Only authorized skilled personnel may operate the device in the "TEACH" key setting.
The key is to be kept in a safe place so that it is protected from unauthorized access.
The following functions can be set with the key-operated switch when the rotor is at a standstill:
Key setting
Function
0
No status display.
The centrifuge can be operated via the operating unit. No centrifugation run can be started via
the operating unit, however.
The centrifuge cannot be controlled via the interface.
LOCK 2
LOCK 2
is displayed in the "
" field.
The centrifuge can be controlled via the interface.
No programs can be called up or changed and no centrifugation run can be started via the
operating unit. Settings can be made in the "Machine Menu" via the operating unit.
TEACH Display
e.g.
Teach Open =Close
PROG
RPM
= : Position of the hatch
: Open the hatch (keep key pressed)
RPM
: Close the hatch (keep key pressed)
PROG
: Set rotor position 1. See the chapter "Setting rotor position 1".
