Control Unit; Control Key; Reset Switch; Inserting/Removing Sd Memory Card - Omron ZN-DPX21-S Series User Manual

2.3 Control Unit

2.3.1 Control key

Name
MODE key
Item selection key
(▲ key)
Item selection key
(▼ key)
SET/REC/STOP key

2.3.2 Reset switch

There is a reset switch at the back of the hole located at the left side of the main unit.
The unit will restart by pressing the reset switch with a thin wire, etc.
When the unit restarts, do not touch the front key until the differential pressure, temperature or
humidity is displayed.
Settings are not initialized by the reset.

2.3.3 Inserting/removing SD memory card

This product has an SD card slot to output CSV files or write the measured data recorded in
the internal memory, and to write/read the setting data.
Important
 When inserting/removing the SD memory card, make sure to hold the main unit firmly. When
the product is mounted with its screw hook hole, inserting/removing the SD memory card
without firmly holding the main unit may result in dropping and damaging the SD memory
card.
 When "SD" on the display is blinking, do not remove the SD memory card. Doing so may
destroy the data in the SD memory card.
 Do not touch the metal terminal of the SD memory card.
 Do not bend the SD memory card.
 When inserting/removing the SD memory card, be aware of static electricity.
 Do not enable the write-protection of the SD memory card.
Main functions
Switch operating modes.
Release an alarm or an error (press and hold).
Cancel settings before fixing.
Move up the setting items.
Change display screens.
Change setting values (increasing).
Move down the setting items.
Change display screens.
Change setting values (decreasing).
Fix setting values etc.
Start/stop record (press and hold).
Send the recorded data into the SD memory card.
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2. Exterior Features