27 • Chapter 6: Advanced Configuration Menu
AirLink 7543 Gas Monitor Operator’s Manual
Chapter 6: Advanced Configuration Menu
Overview
This mode is used to: adjust LCD contrast, restore factory default settings, set up the fault relay, set up
the relay failsafe, set up global Modbus parameters, and set up WireFree parameters.
Entering the Advanced Configuration Menu
1. Open the enclosure box to expose the Front Panel.
2. Cycle the unit's power either by disconnecting and reconnecting power or by doing the following.
a. Press and hold
MENU
for 5 seconds from Normal Operating Mode.
b. Press and release
MENU
until the “Restart AirLink 7543” screen appears.
c. Press
MENU
.
d. Press
MENU
again to confirm the restart.
3. When the RKI Logo appears on the Display Screen, press
MENU
.
NOTE:
The AirLink 7543 automatically saves any changes and returns to Normal Operating Mode
15 minutes after the last button press.
Adjusting Contrast
1. Press
ADD
(increase) or
SUB
(decrease) to manipulate the screen’s LCD contrast.
2. Press
MENU
.
Restore Factory Default Settings
1. Press
ADD
or
SUB
(Yes/No—as indicated on the display screen) to set the unit back to the
factory's default settings. To leave the settings as they are, press
MENU
(Next).
Factory settings are:
