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Appendix a: flow diagram of user interface in the, Legend – COSA Xentaur Xentaur XPDM User Manual

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Appendix A: Flow diagram of User Interface in the Operating State

{

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{

{

{

{

{

units

values

values

Sensor

Position

Sensor

Reading

units

New calibration values are saved

Cancel

Autocal (it is not performed)

30 seconds anywhere (other than
"Autocal") without key press

Toggle Pressure Correct

Display

Flashing PSI means
pressure corrected dewpoint

Toggle 14.7 psi

Confirm autocal

Confirm
autocal

Toggle 14.7 psi

SHORT PRESS

SHORT PRESS

LONG PRESS

LONG PRESS

SHORT PRESS

1/2 sec

LONG PRESS
AND PSI MODE

1 minute

few sec

1 sec

OUT

OK

TOO LOW

IN
DESICCANT

VALUE

VALUE

˚F

˚C

¡DEWPOINT

SET

SET

SET

SET

SET

SET

SET

SET

¡TEMP

PSI

PSI

PSI

Viewing

Dewpoint

Viewing

Temperature

at Sensor

View/Set

Sensor

Pressure

View/Set

Gas

Pressure

Start

Autocal

Viewing

Serial-

number

Power ON initialization
and sign on message

NUMBERS

CALCULATING

CALIBRATION

Legend:

/

separates alternatively displayed messages

denotes beeping

Buttons without designator or arrow leading out, perform no function

For backlight, hold
until it comes on