Refco REF-CLASS-GAUGE Guía De Instalación Y Funcionamiento página 9

Installation and operating guide
⑤ Matrix field
The matrix field consists of 4 x 21 cells (rows and columns) and functions
as a menu and secondary display.
⑥ ON/OFF button / Home button
Main function: Switching the precision digital manometer on and off
(press for min. 3 seconds)
Secondary function: Return to the home screen from the menu (press
briefly)
⑦ MENU button / Right and left arrow
Main function: Entering into menu mode
Secondary function: If the button is pressed and held in the menu mode,
the cursor turns around after 2 seconds (right ◀ or ▶ left). Entries are
confirmed with the MENU button.
⑧ LIGHT button / Down arrow
Main function: Switching the backlight on and off
When the light button is activated (press briefly or press and hold), the
light is switched on. The duration of the light depends on the settings in
the menu mode.
Press the LIGHT button once (Light = On)
Press the LIGHT button twice (Light = Off)
Secondary function: In menu mode, the cursor can be moved
downwards by pressing the light button briefly.
⑨ ZERO button / Up arrow
Main function: By pressing and holding, the current pressure is set to "0"
(rel.) or to the reference pressure (abs.).
By activating the ZERO button, the current pressure is set to "0".
Maximum 5% of the measurement range can be corrected.
Secondary function: If the REF-CLASS GAUGE is in menu mode, the
cursor can be moved upwards by briefly pressing the ZERO button.
⑩ Bar graph
The bar graph shows the current pressure in proportion to the
measurement range as a graph. It consists of 20 segments and two
triangles at the ends. The first triangle lights up if the measuring range is
not reached, the last triangle if it is exceeded.
⑪ Password protection (optional)
⑫ Wireless (optional)
⑬ Tare
Active TARE function
English
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