Operation
Controls and displays
Panel PC EL 1850 / EL 1850s / EL 2850 / EL 5850
7
45
BA_ELx8xx EN 3.0
Pos. Designation
Function
Standard mode Alpha mode Service mode
Switch on mode: Press "alpha key" (LED is on) Press "menu key"
Switch off mode: Press "alpha key" (LED is off) Press "menu key" or wait for
35 s
Display Application−dependent
Status LEDs Power (green):
l Is ON when the supply voltage is present.
Fail (red):
l Is ON when a power supply failure has occurred
l Is blinking when the screen signal is missing.
Status (yellow):
l Indicates access to a storage medium.
Function keys F1 ... F12: Send key code for
Shift−F1 ... Shift−F12
F1 ... F12: Send key codes for
"Q" ... "@"
Tool: Application−dependent
+: Increase screen brightness
−: Reduce screen brightness
Reset button Reset PC (restart)
Status LEDs Error (red):
l Is lit if a power supply failure has occurred;
l Is blinking when the screen signal is missing.
HD (yellow):
l Indicates access to a storage medium.
Power (green):
l Is lit when the supply voltage is present.
l Flashes (
−−−
−
−−−
−
) in the case of a hardware error.
l Is blinking (
−−
−
−−
−
) when the ACU UPS (optional) is being charged.
l Is blinking (
−−
−−
−−
−−
) when there is a supply voltage failure and the device is being supplied
by the ACU UPS.
l Is blinking (
−
−
−
−
) when the supply voltage of the ACU UPS is too low (e.g. rechargeable
battery is empty or missing).
l Blinks 4 x per second if the ACCU−PACK causes a short circuit or if the CAPS−PACK is
completely discharged.
Numeric
keypad
Send key codes for "0" ... "9"
and calculation operators
Send key codes for "A" ... "P" Functionality same as in
standard/alpha mode
Cursor keys Without "Shift" key: Move cursor/marker in steps and set
tab
With "Shift" key: Move cursor/marker to the beginning/end
or page by page
Functionality same as in
standard/alpha mode
Control keys Standard functions of a MF2 keyboard
(For "alpha" and "menu" see "Switch on/off mode")
Functionality same as in
standard/alpha mode
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