12 Instruction Manual TProfessional Basic 06/2011
Ensure that both the rear and bottom ventilation slits of the
rear and bottom of the instrument are unobstructed.
Insufficient ventilation can cause overheating of the
instrument.
• Make sure that the main supply voltage is in accordance with the label above the power
connection (see section 4.2)
• Connect the TProfessional Basic Thermocycler to a grounded socket.
Prior to connecting the unit to the power source please ensure that the
voltage selector at the back side of the instrument is set to the required
voltage.
Danger of electric shock! Unplug the power cable before you open the
TProfessional Basic Thermocycler.
• The display contrast can be adjusted to local lightning conditions (6.2.2)
3.4 Operation Voltage
Important: Prior to connecting the TProfessional Basic to the mains, make sure that the setting
of the Voltage selector is in accordance with your mains Voltage.
The TProfessional Basic Thermocycler can operate at 100, 115 or 230 Volt. The operation
Voltage is shown on the Voltage selector which is located at the instrument bottom.
To change operation Voltage of the TProfessional Basic, switch off the instrument and
disconnect the mains plug.
Use a coin or another round shape item to turn the adjustment slot of the Voltage selector to the
new Voltage.
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