TM 11-6625-3081-23
2-6.
ELECTRONIC STATION CONTROLS AND INDICATORS (cont)
2-6
TEMPERATURE CONTROLLER UNIT 1A1 (cont)
Key
6
7
8
9
10
(ALTERNATE UNIT)
Control or Indicator
CONTROL Switch
DATA ENTRY Switch
FLAG Indicator
DIFFERENTIAL/ABSOLUTE
Switch
INTERNAL TEMP POLARITY
Switch
Function
Two-position illuminated switch changes position each
time pushed.
A clear plastic switch guard prevents
unwanted changes.
Lower PANEL section lit (green) - allows operator
access to controller by use of front panel switches.
Upper COMPUTER section lit (red) - computer has control.
Both sections lit - computer has control and is waiting
for operator action.
Enters data from other switches into controller.
Change
in setting will not be entered until switch is pressed.
Indicates emitter A is stabilized to within 0.02°C of
its final temperature.
ABSOLUTE - selects absolute temperature as set by
emitter A
D
TEMPERATURE SET switch.
DIFFERENTIAL - emitter
between temperature of
entered by EMITTER A
D
LED lights to indicate
front panel DATA ENTRY
A temperature is an offset
external sensor and temperature
TEMPERATURE SET switches.
temperature selection entered by
switch or computer command.
Up (+) position - emitter A is hotter than ambient sen-
sor by temperature entered in EMITTER A
D
TEMPERATURE
SET switches.
Down (-) position - emitter A cooler than ambient sensor
by temperature entered in EMITTER A
D
TEMPERATURE SET
SWITCHES.
LED lights to indicate TEMP POLARITY entered by front
panel DATA ENTRY switch or computer command.
Change 8
2-5
