RKI Instruments 12 VDC Beacon 200 - Manual (Page 10)

6 • 12 VDC Beacon 200 Operator’s Manual
Internal Description
This section describes the internal components of the 12 VDC Beacon 200.
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.
ESCAPE
Button
UP/YES
Button
ENTER
Button
DOWN/NO
Button
Button Repeater
Buzzer
Display Screen
FAIL Light
PILOT Light
Display Cable Connector
J1
Display Contrast
Adjust Pot
ALARM 2 Light
ALARM 1 Light
Figure 2. Display Board Component Location