32
Thermo Fisher Scientific
Operation Manual HM550
• To return to the active operating state, press any key on the control
panels or move the hand wheel. Also when reaching the WAKE
time (see page 53)
the instrument is in the active state again.
ese two buttons (fig. 11.5 and 11.6) are used to change pre-selected
values of different kinds in connection with the chosen function.
– section thickness
– trimming thickness
– specimen temperature
– chamber temperature
– time settings
Note:
To operate the instrument easily and comfortably with a few buttons
only, please note the following:
After having chosen a function, its pre-selected values can be changed via the
up or down buttons.
However, if no entry is made within five seconds, the operating control
switches back into its basic status.
ꢃP/DOWꢁ buttons
[5]
[4]
[2]
[1]
[3]
[6]
Figure 11.
Center keyboard, left buttons.
is button (fig. 12.8) is used to reset added values (e.g. number of sec-
tions, sum of section thicknesses) to zero.
is button (fig. 12.9) is used to get into the submenus. Basic settings,
times, service functions and options are set and/or called.
ꢀeset button
Menu button
Operating instructions
Basic operational rules
