Rotronic HP22A User Manual download pdf (Page 8)

E-M-HP22-V2_13

Rotronic AG

Bassersdorf, Switzerland

Document code Unit

HygroPalm HP22-A hand-held indicator:

User Guide

Instruction Manual

Document Type

Page

8 of 16

Document title

4 Operation

4.1 Display

The LC display of the HP22 has a backlight which

can be set to be on all the time or whenever a key is

pressed. The backlight can also be disabled.

The upper line corresponds to relative humidity or

dew / frost point and the bottom line corresponds to

temperature.

The display can be configured to show a trend

indicator on each line:

▲: increasing value

▼: decreasing value

In the event of an alarm the display shows the symbol [ ! ] to the right of the value.

For instructions see the following HW4 manual: E-M-HW4v3-F2-006.

4.2 Keypad

ON/OFF: Turns the instrument on or off

Activates / de-activates HOLD function

MENU: Press this key to activate the

internal menu. Press this key

again to exit the menu

UP / DOWN: When the menu is active, use these

keys to navigate the menu, make a

selection or change a value

ENTER: When the menu is active, press

this key to confirm a selection.

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Rotronic HP22A User Manual Page 8