EarthLogger EL4+ User Manual
Page 17
Version 1.07
EarthLogger EL4+ User Manual v1.07.docx
© MRD Rail Technologies Pty Ltd
05Sep2018
COMMERCIAL IN CONFIDENCE ©2016 MRD RAIL TECHNOLOGIES PTY LTD WWW.MRD.COM.AU +61 7 3821 5151
4.
O
PERATION
G
ENERAL NOTES
Feature
Sub-Feature
Function
Comment
OLED display
Auto Off
After 10 minutes of inactivity the
current function will be cancelled
and the display will turn OFF
Improves device security; Conserves
energy and extends the display life
Channel
The current Channel, from 1 to 4
Voltage
The voltage of the current Channel
0-650V AC, 0-650V DC
Indicates Ethernet found
Leakage
Insulation Resistance of the current
Channel. Displays up to 500k
Ω
Values over 500k
Ω
are indicated by
“
- - -
“
Status Line
Indicates the status of the current
Channel
Displays OK, PREWARNING,
WARNING or TESTING
LEDs
Flashing RED
Current Channel is under TEST
Constant RED
Warning on the indicated Channel
Buttons*
MENU
Call the Main Menu; Return to the
previous menu
Disabled during a “Change Value”
process
SELECT
Selects highlighted item; Confirms or
Saves current value and returns to
the previous item or menu
Change current Channel; Navigate
menu; Increase selected value
In rare instances, options may be
displayed side-by-side. Use the
arrow keys to alternate highlighting,
and press Select to select the
highlighted value
Change current Channel; Navigate
menu; Decrease selected value
TEST
Conduct Self-Test on current
Channel. The TEST routine includes
inserting a 10k
Ω
resistor into the
measuring circuit.
If the PreWarning or Warning trip
point is set less than 10k
Ω
, the
device will enter and remain in the
tripped state until RESET is Pressed.
RESET
Clears a PreWarning or Warning on
the current Channel
*The Keypad functionality is context sensitive: the key actions may vary slightly between screens.