Ht-instruments SPEED418 Manuel d'utilisateur télécharger pdf (Page 9)

400 Series

EN - 8

4. OPERATION DESCRIPTION

4.1. INSTRUMENT DESCRIPTION

CAPTION:

1. Inputs

2. Display

3. Connector for optoisolated cable

4. ,, ,  / ENTER key

5. GO/STOP key

6. SAVE key

7. ON/OFF key

8. HELP key

9. ESC/MENU key

Fig. 1: Description of the front part of the instrument

CAPTION:

1. Connector for remote probe

2. E, N, P inputs

3. In1 input

Fig. 2: Description of the upper part of the instrument

CAPTION:

1. Connector for optoisolated cable

Fig. 3: Description of the instrument’s side

4.2. BACKLIGHTING

During instrument operation, a further short pressing of the key turns on the display’s

backlighting (if battery voltage level is sufficiently high). In order to preserve battery efficiency,

backlighting automatically turns off after ca. 20 seconds.

A frequent use of back lighting reduces the batteries’ life.

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Ht-instruments SPEED418 Manuel d'utilisateur Page 9