Ht-instruments HT4000 Manuale Utente Scaricare il pdf (Pagina 7)

HT4000

EN - 6

4.3.6. / UNIT key

The key / UNIT has many functions:

¾ UNIT Æ Press and hold to select the measuring unit of quantities on the main display

(see § 4.4.2)

¾ Æ Just press to confirm selection of the measuring unit

¾ It permits setting the measurement values of the volumetric flow (see § 4.6)

¾ It permits to confirm cancellation of internal memory (see § 4.10)

¾ It permits to activate/disable the automatic shutdown of display backlight (see § 4.4.1)

4.3.7. / SET key

The key / SET has a dual function:

¾ Æ Just press to activate or deactivate display backlight

¾ SET Æ Press and hold to enter the set-up area for volumetric flow measurement.

Backlight and memory cancellation

4.3.8. Check of displayed symbols as well as Firmware version

When the instrument is off press and hold the key T/ . The instrument displays all

symbols. Releasing the key the instrument displays the internal firmware version for one

second before going to next screen.

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Ht-instruments HT4000 Manuale Utente Pagina 7