Datcon DT4240 Series, Руководство по эксплуатации

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DT4240 xx xx xx xx
20230503-V0
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6.3. Manual controls, display, indicators
DT4240 xx xx xx xx can be adjusted by the membrane
push-buttons indicated by
(1) , (2) , and (3) in the drawing.
Functions of the push-buttons during measurement
(1) MENU button: Entering the menu
When you push this button, the instrument will ask for a
password (code) in accordance with Chapter
7.1. Typing
the code (password) in , when the right code has been
given, it enters into the menu. During this time the
measurement is suspended, and the state of limit
outputs don’t change, the communication option
doesn’t work and on the analogue output is error
current (3.2 mA or 20.8 mA)
. If no keys are pressed for a
period of 4 minutes, the instrument restarts and the
measurement goes on.
(2) ▲ button: displaying minimum value, maximum value,
firmware version. The above values and the firmware
version remains on the display as long as the button is
being pressed.
Using this function:
1. Press the ▲ button as long as you see this:

This mnemonic indicates that it will be displayed the
minimum value measured after the last clear.
2. Keeping the button pressed down, after 1.5 sec the
minimum value will be displayed as long as the button is
pressed down.