Heath-consultants GT Series Manuel d'utilisateur télécharger pdf (Page 39)

3-17

OPERATING PROCEDURE

3.7 SWITCH THE INSTRUMENT OFF OR RE-

ENTER THE MODE MENU

To initiate the shut down sequence:

 Press and hold both the LH

and RH but-

tons simultaneously.

Fig. 3.25 Switch OFF

While both buttons are depressed, the instrument display

will step through previous menus, each displayed for

approximately two (2) seconds.

After this time, the OFF sequence countdown begins and

the user will have to keep the buttons pressed for a

further three (3) seconds to switch the instrument OFF.

The countdown sequence is shown in Fig. 3.26.

Note: In Confined Space Mode, to prevent inadvertently

switching instrument OFF or changing mode while

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Heath-consultants GT Series Manuel d'utilisateur Page 39