Teledyne 3020T Trace Oxygen Analyzer Operation, Installing or Changing the Password

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Trace Oxygen Analyzer

Operation 4

 

 

 

 

 

 

 

 

 

In a few seconds, if you do not ESCAPE, you will be given the oppor- tunity to change this password or keep it and go on.

Change Password? <ENT>=Yes <ESC>=No

ESCAPE to move on, or proceed as in Changing the Password, below.

4.4.2 Installing or Changing the Password

If you want to install a password, or change an existing password: Proceed as above in Entering the Password, until you are given the opportu- nity to change the password:

Change Password? <ENT>=Yes <ESC>=No

ENTER to change the password (to change either the default TETAI or the previously assigned password), or ESCAPE to keep the existing pass- word and move on.

If you choose ENTER to change the password, the password assign- ment screen appears.

T E T A I <ENT> To Proceed

or

A A A A A <ENT> To Proceed

Enter the password using ENTER to scroll through the existing pass- word letters, and DOWN/UP to change the letters to the new password. The full set of 94 characters available for password use are shown in the table below.

Characters Available for Password Definition:

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

[

¥

]

^

_

`

a

b

c

d

e

f

g

h

i

j

k

l

m

n

o

p

q

r

s

t

u

v

w

x

y

z

{

}

!

"

#

$

%

&

'

(

)

*

+

'

-

.

/

0

1

2

3

4

5

6

7

8

9

:

;

<

=

>

?

@

 

 

 

 

 

 

When you have finished typing the new password, the last ENTER

enters it. A verification screen appears. The screen will prompt you to retype

 

your password for verification.

4-7

Teledyne Analytical Instruments

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Contents Teledyne Analytical Instruments Model 3020TCopyright 1999 Teledyne Analytical Instruments Model 3020T3020T-I Trace Oxygen AnalyzerIii Specific Model InformationInstallation Table of Contents IntroductionOperational Theory Operation MaintenanceAppendix Typical Applications Main Features of the AnalyzerTrace Oxygen Analyzer Introduction OverviewModel 3020T Model DesignationsTrace Oxygen Analyzer Introduction Operator Interface Model 3020T Controls, Indicators, and ConnectorsESCAPE/ENTER Switch 1 UP/DOWN SwitchPWD Displays Electrical Connector PanelRecognizing Difference Between LCD Equipment InterfaceRemote Valves RS-232 PortRemote Sensor Gas Connector PanelNetwork I/O Optional Micro-Fuel Cell Sensor Operational Theory IntroductionPrinciples of Operation Anatomy of a Micro-Fuel Cell Operational Theory+ 2H 2O + 4e → 4OH Electrochemical ReactionsEffect of Pressure Calibration CharacteristicsSample System Characteristic Input/Output Curve for a Micro-Fuel CellSpan Zero Sample Electronics and Signal ProcessingBlock Diagram of the Model 3020T Electronics Temperature Control Unpacking the Analyzer Trace Oxygen Analyzer InstallationMounting the Analyzer Front View of the Model 3020T Simplified Required Front Door Clearance Electrical ConnectionsFuse Installation Primary Input PowerAnalog Outputs Analog Output Connections ExamplesRange Voltage Current mA Alarm RelaysTypes of Relay Contacts Digital Remote Cal InputsZero RS-232 Sig RS-232 Pin Purpose Range ID RelaysNetwork I/O 8 RS-232 PortParameter Setting Command DescriptionRemote Sensor and Solenoid Valves Remote Solenoid Return Connector Pinouts Installing the Micro-Fuel CellGas Connections Gas Connector Panel Testing the System Trace Oxygen Analyzer Operation Using the ControlsAuto Ranging on Setup Mode Analysis ModeMode/Function Selection Trace Oxygen Analyzer Enter Data EntryEscape Trace Oxygen Analyzer Operation AUTO-CALFunction PWD Password FunctionEntering the Password Only one password can be definedInstalling or Changing the Password Version Screen Logout FunctionZero and Span Functions Trace Oxygen Analyzer Operation SELF-TESTFunctionZero Cal Auto Mode ZeroingManual Mode Zeroing Cell Failure Auto Mode SpanningSpan Cal Manual Mode Spanning Installation Alarms FunctionAL-1 AL-2 Choose Alarm Range Function Setting the Analog Output RangesFixed Range Analysis Standby Function Contrast FunctionAnalysis Mode Operation Routine Maintenance Trace Oxygen Analyzer MaintenanceMajor Internal Components Major Internal Components Cell ReplacementWhen to Replace a Cell Storing and Handling Replacement CellsRemoving the Micro-Fuel Cell Exploded View of Cell Block and Micro-Fuel Cell Installing a New Micro-Fuel Cell Cell Warranty Fuse ReplacementL-2C cell is not designed for applications where CO2 is a Removing Fuse Cap and Fuse from Holder System Self Diagnostic TestAnalog PowerPreamp Maintenance Trace Oxygen Analyzer Appendix SpecificationsOperating Temperature 0-50 C Qty Part Number Description Recommended 2-Year Spare Parts ListDrawing List Series Analyzers Restrictor KIT Conversions