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Initial operation
Attachable printer
Part no. 0554.0570
The testo 400/650/950 instruments have an interface for connecting
the attachable printer. Press ➀ to release the lock.
The switch on the left side of the printer has the following 3 functions:
left: Off switch
middle: On switch
right: Line feed.
In the OFF mode, move the switch to line feed and if you keep this
position the character set stored in the printer will be printed as a test
print.
Changing batteries
Observe polarity marked in the battery section when putting in
batteries (4 x 1.5 V alkaline or corresponding rechargeable batteries).
Rechargeable batteries must be charged outside the printer e.g. using
the Testo recharger 0554.0110 (incl. 4 standard rechargeable
batteries).
Changing the paper
The paper section is at the top of the printer. Position the paper as
shown in diagram.
Note: The paper is thermal paper which means that only one side can
be printed. Therefore ensure that the paper is inserted properly.
Move slide switch to “Line feed” position so that the paper can run
through.
Note: The printer is not powered via the hand-held instrument, therefore it must always be
switched on and off separately.
After approx. 8 minutes inactivity the printer goes into a power-save mode to save
the battery. Switch the printer off and then on again to reactivate it.
Even in the power-save mode the printer uses up energy. The printer should be
switched off when not in use for longer periods of time.
➀
Off On Line feed
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