
INNOV@-pCO1-IOM-0907-E
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3 THE USER INTERFACE
The provided user interface PGD is equipped with a LCD display (4 rows x 20 columns). and with 6 keys. It
allows carrying out all program operations. The user interface allows displaying the unit working conditions at
any time and modifying the parameters; furthermore, it may also be disconnected from the main board, as its
presence is not strictly necessary.
3.1 Keyboard description
The PGD user interface has 6 keys and their use is describe in the following table.
Keys
Description
ALARM key
Press ALARM key to enter the alarm menu and to reset the alarms. When an alarm
is present the button is illuminated.
PROGRAM key
Press PROGRAM key to enter the main menu where is possible to select the items:
MAINTENANCE, PRINTER, INPUT/OUTPUT, CLOCK, SETPOINT, USER,
MANUFACTURER
ESC key
Press ESC key to go out from a menu and come back into the main screen.
UP key
Press UP key to move into the next screen or to increment the value of a
parameter.
ENTER key
Press ENTER key to move into the next modifiable parameter field and confirm the
modification
DOWN key
Press DOWN key to move into the previous screen or to decrement the value of a
parameter.
P ESC keys
Press simultaneously PROGRAM and ESC keys to enter directly the
MANUFACTURER menu.
ESC + ENTER keys
Press simultaneously for 5 seconds, ESC and ENTER keys to enter into the screen
where you can press ENTER to switch ON/OFF the unit
3.1.1 Switch ON/OFF of the unit
The unit is switch On/Off by pressing Esc + Enter keys simultaneously for 5 seconds; after, the displayed
screen allows executing the required operation by using Enter key.
3.1.2 Screen loop
Press PROGRAM key to display the main menu; then, by using the arrow buttons, move the cursor on the
selected item and press Enter to access it.