RKI Instruments Beacon 200 Rig Monitor, LEL/LEL - Manual (Page 13)

Beacon 200 Rig Monitor Operator’s Manual • 8
Internal Description
This section describes the internal components of the Rig Monitor.
Display Printed Circuit Board (PCB)
The display PCB is mounted to the power supply mounting plate which is in
turn mounted to the main PCB. The power supply mounting plate and main
PCB are described below. The display PCB includes the display, the status
lights, and the program buttons.
Display
The display simultaneously indicates the channel number, current gas
reading, measuring unit, and target gas of all active channels.
The display also indicates messages, settings, and other data when you
are operating the instrument programs.
J1
UP/YES Button
ENTER Button
DOWN/NO Button
Display Cable Connector
PILOT Light
FAIL Light
Display Screen
Button Repeater
Buz zer
ALARM 2 Light
ESCAPE Button
ALARM 1 Light
Display Contrast
Adjus t Pot
Figure 3. Display Board Component Location