TM 5-4220-227-14
Key
Designator
Control or Indicator
Function or Use
24
SWT-014
Volume Control
Controls volume of O/L speaker.
25
SWT-011
Speaker Switch
ON/OFF - energizes O/L speaker circuit.
26
SWT-012
Speaker Switch
ON/OFF - energizes I/L speaker circuit.
27
NA
Indicator Light
Light glows when AC power circuit on comm box is
energized.
28
SWT-015
Microphone Switch
PUSH-TO-TALK operator's microphone switch.
29
SWT-016
Speaker Switch
"Push to talk" operator's headset switch.
30
NA
Battery Condition Light
Light glows to indicate condition of battery.
31
NA
Flow Meter
Meters quantity of air sample to oxygen analyzer.
32
ALP-040
Flow Meter Valve
Regulates air sample flow rate.
33
NA
Stopwatches
Indicate time-lapse for procedures and treatments.
34
SWT-018
Toggle Switch
ON/OFF - to control C02 scrubber fan.
35
SWT-017
Toggle Switch
ON/OFF -to control chiller fan.
36
NA
Power Strip
Controls electrical power distribution.
37
SWT-019
Rocker Switch
Energizes power strip.
38
NA
Indicator Light
Light glows when power strip is energized.
2-3. Chamber Control Console. (figure 2-2)
2-5
