77210163GB Issue 3
14
2.2.5 TEMPERATURE CONTROLS
To set the working temperature, the appropriate button must
be pressed with
[+] and [-] to raise or lower the value of
the number in the display. Press and hold until the desired
temperature is displayed, then release both buttons. The
display then reverts to showing the actual temperature in °C.
Note
1 It is not possible to set the temperature of the Cryobar. The Cryobar is situated on
the refrigeration pipework and its temperature can vary considerably.
2 To monitor the temperature, press and release
[CRYOBAR TEMP]
or
[WORKING TEMP]
as appropriate. The display will show the actual temperature
of that component in °C. A lit LED shows which selection is displayed.
Working temperatures are automatically controlled to within 1°C of the set temperature.
If no temperature is set, or after a reset, the working temperature automatically
defaults to -20°C, or the last programmed temperature.
[CRYOBAR TEMP] displays the surface temperature of the Cryobar. However, if
[CRYOBAR BOOST] is lit on the adjacent panel, the display shows the approximate
surface temperature of the peltier element in the Cryobar.
2.2.6 KEYSwITCh CONTROL
The Control Panel can be locked from the two-position keyswitch. The
Control Panel is disabled when the key is vertical (off) and the LOCKED
indicator is lit. The key is removable when vertical.
To unlock the Control Panel, insert the key and turn it clockwise. The
LOCKED indicator is not lit when the Control Panel is unlocked, and the
key is held in the switch.
CHAMBER CONTROLS
CRYOBAR
BOOST
WINDOW
LOCK
LAMP
CRYOBAR
TEMP
WORKING
TEMP
IMMED.
DEFROST
IMMED.
FUMIGATE
CANCEL
DEFROST/
FUMIGATE
TEMPERATURE °C
+ -
LOCKED
R Y O T O M E
C
®
LOCKED
R Y O T O M E
C
®
Содержание Cryotome
Страница 72: ...77210163GB Issue 3 72 ...