58
Thermo Fisher Scientific
Operation Manual HM550
• Press the menu button (fig. 54.9). is way, you get into the list of
submenus.
• Via the arrow buttons (fig. 53.5 and 53.6) select “Defrost Time”.
is submenu is now shown inverted.
• Via the enter button (fig. 54.10) confirm this submenu and simulta-
neously open it.
• To change the instrument‘s defrosting time at intervals of 15 minu-
tes, press the arrow buttons (fig. 53.5 or 53.6).
• Confirm with enter (fig. 54.10).
Note:
You return immediately to the list of submenus. If the setting is not confir-
med via the enter button, you will quit the submenu automatically after five
seconds and you return into the list of submenus. e current setting of the
submenu is also chosen and will still be valid.
Setting the defrosting
time
Defrosting
[8]
[9]
[10]
Figure 50.
Center keyboard, right buttons.
Ver. 2.09
Figure 51.
Display: Adjust defrosting time.
Operating instructions
Defrosting
