TM_s-MEXT_ME28relC_00_12_19_EN
Technical manual
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
8
2
USER INTERFACE
2.1
USER TERMINAL
2.1.1
Technical characteristics
The user interface comprises:
•
132x64 pixel backlit LCD display.
•
6 backlit buttons.
The connection between the microprocessor board and the user terminal involve a 4-pole telephone cable equipped with RJ11 connector. The terminal is fed directly from
the control board.
Figure 2-1:
User terminal
2.1.2
General functions of keys and LEDs
Key
Name
Description
Key
Led
[ALARM]
Displays the alarms and resets normal
operating conditions.
Fixed in case of alarm and flashing in case
of signal.
Once the [ALARM] key is pressed, the led
becomes fixed.
In lack of alarms/signals, the led is off.
[PRG]
Accesses the main menu.
When the unit is operating (ON).
[ESC]
goes back one level in the mask tree if
you are in the header masks, or returns
to the main mask.
Upon turning on the unit, when pressing
any key or activating an alarm/signal.
It will disengage after three minutes of
inactivity on the keyboard of the user
terminal.
/
[UP] / [DOWN]
Move around the masks and set control
parameter values.
[ENTER]
Confirms entered data.
+
+
/
[ALARM + PRG + UP / DOWN]
Increase or decrease screen contrast.
+
[ALARM + ESC]
In the shared keyboard mode, this
combination allows to share screenshots
and parameters among LAN connected
units.
Table 1:
List of keys and related functions