DPM TT 570 B Betriebshandbuch - Seite 4

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TT Series STD Manual

Page 02

ENABLE

Protects against accidental switching 'on' and 'off' of the instruments power source.

Used in conjunction with ENABLE to switch on the instrument.

OFF

Used in conjunction with ENABLE to switch off the instrument.

FAST

Smoothes out the response to applied pressure changes. Time constant:

SLOW

Fast = 0 sec

UNITS

Changes the unit of measurement.

The units are arranged in loop formation as follows (model dependent):

Kpa → mmH

STORE

Stores readings manually.

Used to access the Option Menu from operation mode.

and

Operate the backlight.

Select an appropriate function during menu operation.

Set digits and values in menu operation.

ZERO

Overrides the time period of the auto zero system.

Backspace.

ENTER

Accepts commands during menu operation.

Used in conjunction with ENABLE and ON to access the User Menu.

KEYPAD CONTROLS

Slow1 = 5 sec

O → inH

O → mbar → m/sec → ft/min → Kpa

Slow2 = 10 sec

Slow3 = 15 sec

Slow4 = 20 sec