67
Thermo Fisher Scientific
Operation Manual HM550
[5]
[4]
[2]
[1]
[3]
[6]
Figure 68.
Center keyboard, left buttons.
[8]
[9]
[10]
Figure 69.
Center keyboard, right buttons.
Illumination of the
cooling chamber
To illuminate the cooling chamber, a fluorescent lamp is located in the
handle of the sliding window.
• e fluorescent lamp is automatically turned on when the instru-
ment is turned on.
• e lamp remains on as long as the instrument is in its active status
(see “ACTIVE Time”, page 51).
• Used lamps can be changed by the user himself (see page 139).
Turning the light on/off
• Press the menu button (fig. 72.9).
• Via the arrow buttons (fig. 72.5 and 72.6) select “Illumination”.
• Confirm it via the enter button (fig. 72.10).
• Via the arrow buttons (fig. 71.5 and 71.6) select either ON or OFF.
• Confirm it via the enter button (fig. 72.10).
• Press the menu button (fig. 72.9) to quit the menu.
Operating instructions
Illumination of the cooling chamber
