Heath-consultants GT Series Manual do Utilizador descarregar pdf (Página 24)

3-2

USER HANDBOOK

Each time you use the instrument, carry out the following

procedure:

3.1 SWITCH THE INSTRUMENT ON

To switch the instrument ON in fresh air:

 Press and hold the RH button

, for one second.

Fig. 3.1 Switch ON

The instrument begins its warm-up routine, which lasts

approximately 30 seconds. During the warm-up cycle, a

countdown timer appears in the top right hand corner of

the display.

The Power ON LED illuminates when the instrument is

switched ON and also during operation. The display

backlight illuminates and remains ON during warm-up.

When the warm-up cycle is complete, the screen light

automatically switches OFF.

The Fault LED illuminates briefly, for approximately five

(5) seconds, during the warm-up cycle.

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Heath-consultants GT Series Manual do Utilizador Página 24