OHAUS TROOPER SCALE User manual

Ohaus Corporation
19A Chapin Road
P.O. Box 2033
Pine Brook, NJ 07058-2033 USA
www.ohaus.com
INSTRUCTION MANUAL
Trooper Scale

Leerseite

IEC1010-1 & EN60950:1992 Safety Regulations
IEC1010-1 & EN60950:1992 Sicherheitsbestimmungen
IEC1010-1 & EN60950:1992 Consignes de sécurité
IEC1010-1 & EN60950:1992 Disposiciones sobre seguridad
IEC1010-1 & EN60950:1992 Prescrizioni . di sicurezza
EN55022:1987 Emissions
EN50082-1:1992 Immunity
NOTE: The displayed value may be adversely affected under extreme electromag-
netic influences, eg. when using a radio unit in the immediate vicinity of the
device. Once the interference has been rectified, the product can once again be
used for its intended purpose.
EN55022:1987 Funkstörungen
EN50082-1:1992 Immunität
Hinweis: Unter extremen elektromagnetischen Einflüssen z.B. bei Betreiben eines
Funkgerätes in unmittelbarer Nähe des Gerätes kann eine Beeinflussung des
Anzeigewertes verusacht werden. Nach Ende des Störeinflusses ist das Produkt
wieder bestimmungsgemäss benutzbar.
EN55022:Emissions parasites
EN50082-1:1992 Immunité
Remarque: Dans des conditions d'influences électromagnètiques extrêmes, par
exemple en cas d'exploitation d'un appareil radio à proximité immédiate de
l'appareil la valeur d'affichage risque d'être influencée. Une fois que l'influence
parasite est terminée, le produit peut être de nouveau utilisé de manière conforme
aux prescriptions.
EN55022:1987 Radiointerferencias
EN50082-1:1992 Inmunidad
Nota: Bajo influencias electromagnèticas extremas, p.ej. cuando funciona una
radio en las inmediaciones del aparato, se pueden alterar los valores del display.
Cuando concluye el efecto perturbador, el producto puede ser utilizado de nuevo,
de acuerdo con lo estipulado.
EN55022:1987 Radiointerferenze
EN50082-1:1992 Immunità
Nota: ll valore visualizzato può essere influenzato negativamente dalla presenza
di forti interferenze elettromagnetiche, per esempio quando viene usata una radio
in prossimità della bilancia. Eliminata la fonte dell'interferenza, il prodotto può
essere nuovamente utilizzato per le funzioni cui è preposto.
EU 73/23 Low Voltage
EU 73/23 Niederspannung
EU 73/23 Basse tension
EU 73/23 Baja tensión
EU 73/23 Bassa tensione
EU 89/336, 92/31, 93/68
Electromagnetic compatibility
EU 89/336, 92/31, 93/68
Elektromagnetische Verträglichkeit
EU 89/336, 92/31, 93/68
Compatibilité électromagnétique
EU 89/336, 92/31, 93/68
Compatibilidad electromagnética
EU 89/336, 92/31, 93/68
Compatibilità elettromagnetica
Ohaus Corporation, 19A Chapin Road, P.O. Box 2033, Pine Brook, New Jersey, 07058-2033, USA
Declaration of Conformity We, Ohaus Corporation, declare under our sole responsibility that the instrument models listed below marked with “CE” - are in conformity
with the directives and standards mentioned.
Konformitätserkärung Wir, die Ohaus Corporation, erklären in alleiniger Verantwortung, dass die untenstehenden Waagentypen, instrument mit “CE” - mit den
genannten Richtlinien und Normen übereinstimmen.
Déclaration de conformité Nous, Ohaus Corporation, déclarons sous notre seule responsabilité, que les types de instrument ci-dessous cité - munis de la mention
«CE» - sont conformes aux directives et aux normes mentionnées ci-après.
Declaración de Conformidad Nosotros, Ohaus Corporation, declaramos bajo responsabilidad exclusiva que los modelos de instrumento indicados a continuación
- con el distintivo ,CE’ - están conformes con las directivas y normas citadas.
Dichiarazione di conformità Noi, Ohaus Corporation, U.S.A, dichiariamo sotto nostra unica responsabilità, che i tipi di strumento specificati di seguito - contrassegnati
con la marcatura “CE” - sono conformi alle direttive e norme citate.
Instrument Type/Waagentyp/Type de instrument/Modelo de instrumento/Tipo di strumento Trooper Scale
Marked with: Directive Standard
Gekennzeichnet mit: Richtlinie Norm
Munis de la mention: Directive Norme
Con el distintivo: Directiva Norma
Contrassegnati con la Direttiva Norma

NOTE: THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE, PURSUANT
TO PART 15 OF THE FCC RULES.
THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIP-
MENT IS OPERATED IN A COMMERCIAL ENVIRONMENT. THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO FRE-
QUENCY ENERGY AND, IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL, MAY CAUSE HARMFUL
INTERFERENCE TO RADIO COMMUNICATIONS. OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE
HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EXPENSE.
THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS A LIMITS FOR RADIO NOISE EMISSIONS FROM DIGITAL APPARATUS AS
SET OUT IN THE INTERFERENCE-CAUSING EQUIPMENT STANDARD ENTITLED “DIGITAL APPARATUS”, ICES-003 OF THE DEPART-
MENT OF COMMUNICATIONS.
CET APPAREIL NUMERIQUE RESPECTE LES LIMITES DE BRUITS RADIOELECTRIQUES APPLICABLES AUX APPAREILS NUMERIQUES
DE CLASSE A PRESCRITES DANS LA NORME SUR LE MATERIEL BROUILLEUR: “APPAREILS NUMERIQUES”, NMB-003 EDICTEE PAR
LE MINISTRE DES COMMUNICATIONS.
Unauthorized changes or modifications to this equipment are not permitted.
Before plugging in the Scale, make sure that the voltage of the power
adapter and plug match.

TABLE OF CONTENTS
OVERVIEW OF CONTROLS AND DISPLAY FUNCTIONS ................................................................................................ 1
1. GETTING TO KNOW YOUR TROOPER SCALE .............................................................................................................. 2
1.1 Introduction ............................................................................................................................................................ 2
1.1.1 Features ....................................................................................................................................................... 2
2. INSTALLATION ........................................................................................................................................................ 3
2.1 Unpacking and Checking ......................................................................................................................................... 3
2.2 Selecting the Location .............................................................................................................................................. 3
2.3 Connecting Power ................................................................................................................................................... 3
2.3.1 Battery Installation .......................................................................................................................................... 3
2.3.2 AC Power ...................................................................................................................................................... 3
2.3.3 Leveling the Scale .......................................................................................................................................... 4
2.3.4 Stabilization................................................................................................................................................... 4
3. OPERATION ............................................................................................................................................................ 4
3.1 Turning On Scale ..................................................................................................................................................... 5
3.2 Turning Off Scale ..................................................................................................................................................... 5
3.3 Zero Operation ........................................................................................................................................................ 5
3.4 Tare Operation ........................................................................................................................................................ 5
3.5 Gross/Net/Tare Recall Operation ................................................................................................................................ 5
3.6 Unit Switch Operation............................................................................................................................................... 6
3.7 RS232 Commands .................................................................................................................................................. 7
3.7.1 Output Formats ............................................................................................................................................. 7
3.8 Printing Data ......................................................................................................................................................... 7
3.8.1 RS-232 Pin Out ............................................................................................................................................ 7
4. SETUP .................................................................................................................................................................... 8
4.1 Setup Protection ...................................................................................................................................................... 8
4.4.1 Control Functions .......................................................................................................................................... 8
4.4.2 Menu Structure .............................................................................................................................................. 9
4.4.3 Setup Menu ................................................................................................................................................ 10
4.4.4 Readout Menu ............................................................................................................................................ 12
4.4.5 Print Menu.................................................................................................................................................. 16
4.4.6 Lockout Switch Menu ................................................................................................................................... 18

TABLE OF CONTENTS (Cont.)
5. CALIBRATION AND SEALING .................................................................................................................................. 20
5.1 Legal for Trade (LFT) Operation and LFT Sealing....................................................................................................... 25
6. CARE AND MAINTENANCE..................................................................................................................................... 26
6.1 Troubleshooting .................................................................................................................................................... 26
6.2 Error Codes List ..................................................................................................................................................... 28
6.3 Service Information ................................................................................................................................................ 28
6.4 Replacement Parts ................................................................................................................................................ 28
6.5 Accessories .......................................................................................................................................................... 28
6.6 Technical Data ...................................................................................................................................................... 28

1
Trooper Scale
No. Designation Function
1 Display LCD display, indicates weight, modes and setup information.
2 Center of Zero LCD indicator prompt, indicates center of zero when within +/- 0.25d.
3 Gross LCD indicator prompt, indicates gross weight.
4 Net LCD indicator prompt indicates net weight.
5 Tare LCD indicator prompt indicates tare weight.
6 ON/ZERO/OFF button Turns Scale on or off. Secondary use, provides zero function.
7 Print/Units button Short press, prints data which is displayed on the Scale.
Long press, changes unit of measure. Longer press, enters counting mode.
When in menus, each press advances horizontally through the menus.
Finalizes a menu selection.
8 Tare button When pressed, enters tare value into memory.
9 G/N/T/Menu button Recalls Gross/Net/Tare. Long press allows entry into menus. When in
menus, advances through individual menu items.
10 kg LCD indicator, when lit, indicates weight in kilograms.
g LCD indicator, when lit, indicates weight in grams.
11 lb LCD indicator, when lit, indicates weight in pounds.
12 oz LCD indicator, when lit, indicates weight in ounces.
OVERVIEW OF CONTROLS AND DISPLAY FUNCTIONS
lb
kg
oz
BAT
*
1
2
3 4568
9
10
7
11
13 12

2
Trooper Scale
1. GETTING TO KNOW YOUR TROOPER SCALE
1.1 Introduction
Thank you for deciding to purchase a Trooper Scale from Ohaus. The Ohaus Trooper Scale is a rugged, reliable,
electronic scale designed for easy operation.
The Trooper Scale operates from AC power and can also be powered by six Alkaline “C”batteries internally. A six digit
LCD display is 1.0 inches/2.5 centimeters in height provides easy visibility when working at distances from the Scale.
Four buttons mounted on the front panel enable simple set up procedures. A menu lockout switch can be set to lock out
various functions of the Scale to prevent settings from being changed. An RS232 Interface is built in.
Behind your instrument stands OHAUS, a leading manufacturer of precision Indicators, Scales and Balances. An After-
market Department with trained instrument technicians is dedicated to providing you with the fastest service possible in
the event your instrument requires servicing. OHAUS also has a Customer Service Department to answer any inquiries
regarding applications and accessories.
To ensure you make full use of the possibilities offered by your Trooper Scale, please read the manual completely before
installation and operation.
1.1.1 Features
Major features include:
•6 digits, 7-segments, 25 mm Numeric LCD display
•Durable ABS housing
•4 membrane switches
•Push-button Tare/Clear
•Flexible unit switching-lb/kg/oz/g
•Enhanced digital filtering
•Overload/Underzero display indication
•RS232 Serial Communication in Ohaus RS-Interface
•Up to 100 hours continuous battery operation
•AC & DC power supply
•Low - BAT warning comes on 20 minutes prior to low power point
•Auto shut off for power saving

3
Trooper Scale
2.2 Selecting the Location
The Scale should be used in an environment which is free from corrosives, vibration or temperature extremes. These
factors will affect displayed weight readings. The Scale should be located on a stable level surface and kept away from
vibrating sources such as large machinery. Maximum accuracy will be achieved when the area is clean and vibration
free.
2. INSTALLATION
2.1 Unpacking and Checking
Open the package and remove the instrument and the accessories. Check the completeness of the delivery. The follow-
ing accessories are part of the standard equipment of your new Scale.
Remove packing material from the instrument.
Check the instrument for transport damage. Immediately inform your Ohaus dealer if you have complaints or parts are
missing. Your Trooper Scale package should contain:
•Trooper Scale
•Warranty card
•AC power adapter
•Instruction Manual
•Lead seal for weights and measures sealing
Store all parts of the packaging. This packaging guarantees the best possible protection for the transport of your
instrument.
2.3 Connecting Power
2.3.1 Battery Installation
Remove battery cover and insert 6 Alkaline C-type batteries into the battery holder making sure that the batteries are
properly orientated (correct polarity).
NOTE: It is recommended that when the Trooper Scale is operated from batteries, the Auto-Off Timer feature be turned
on to extend battery life. When setting up the Scale, refer to Intial Setup, Readout menu, paragraph 4.4.4.
2.3.2 AC Power
Connect the AC power cord from the Scale and plug into a convenient power outlet.
NOTICE:
The socket/outlet must be installed near
the equipment and shall be easily accessible.

4
Trooper Scale
2.3.3 Leveling the Scale
Exact horizontal positioning and stable installation are prerequisites for repeatable results. To compensate small
irregularities or inclinations at the location, the instrument can be leveled.
For exact horizontal positioning, the Scale is equipped with a level indicator located at the rear.
Adjust the leveling feet until the air bubble in the indicator is centered.
NOTE: The instrument should be leveled each time its location is changed.
2.3.4 Stabilization
Before initially using the Scale, allow time for it to adjust to its new environment. Recommended warm up period is
five (5) minutes.
3. OPERATION
The Trooper Scale has been factory calibrated and is ready for operation. You can operate the scale at this point using
the factory default settings. You can check the default menu settings on page 9. All bolded items on the menu are the
factory default settings. The scale will operate in the default mode. If you want to change the settings, continue with
Section 4, Setup.
When the Scale is positioned for operation, follow the operational procedure outlined next.
2. INSTALLATION (Cont.)

5
Trooper Scale
3. OPERATION (Cont.)
3.4 Tare Operation
When weighing material or objects that must be held in a
container, taring stores the container weight in the Indicator’s
memory. To store the container weight, proceed as fol-
lows:
Place the container on the scale. Sample shown is 2kg.
Press TARE button. Scale is tared andshows Net
weight.
3.1 Turning On Scale
Press and hold ON/ZERO/ OFF button until the LCD dis-
play appears, then release ON/ZERO/
OFF button. The
display momentarily displays segment check, the soft-
ware revision of the Scale and then goes into a weighing
mode.
3.2 Turning Off Scale
To turn the Scale off, press the ON/ZERO/ OFF button until
OFF is displayed.
3.3 Zero Operation
Using a short duration press, press ON/ZERO/ OFF but-
ton to zero the Scale. The display acknowledges by indi-
cating the selected measuring unit followed by a zeroed
display.
NOTE: Stable cursor must be lit to accept zero operation.
Place item to be weighed on the scale platform. The dis-
play indicates a sample of 5kg, gross weight.
Gross
Net
kg
*
kg
*
Center
of Zero Gross
kg
*
*
kg
Gross
Gross
Center
of Zero
kg
*
Center
of Zero

6
Trooper Scale
3. OPERATION (Cont.)
3.5 Gross/Net/Tare Recall Operation
When a container has been placed on the platform and
tared, it's weight is stored in memory. Adding material to
the container is shown as NET weight. The gross weight is
a combination of the tared weight and the material. The G/
N/T/
MENU button allows switching between GROSS, NET
and TARE weights.
Repeately press (short presses) the G/N/T/
MENU button
to cycle through Gross, Tare and Net readings. The
sample illustrations indicate a tare weight of 2kg simu-
lating a container, a net weight of 8kg which would be
the material in a container and a gross weight of 10kg
which is the total weight of the container and material.
After 3 seconds, display returns to Net weight.
Tare
3.6 Unit Switch Operation
To switch measuring units, proceed as follows:
Press and hold PRINT/
UNITS button until display
changes to selected measuring unit. Depending on which
units are enabled in the menu, you have a choice of g,
lb, kg or oz. The display sample indicates 8kg load
changed to lbs shown as a net weight because a tared
weight of 2kg was used and stored in memory.
Gross
Net
kg
*
kg
*
kg
*
lb
*
lb
*
Net
Net

7
Trooper Scale
3.8 Printing Data
Printing data to an external computer or printer requires that the communications parameters in the Print menu, be set
first. Refer to paragraph 4.4.5 Print Menu for proper set up.
To print data, press PRINT/
UNITS button with a short press. The display acknowledges by momentarily blinking off.
NOTE: If you hold this button down too long, the display will advance to another measuring unit.
3.8.1 RS-232 Pin Out.
3.7 RS232 Commands
All communication is accomplished using standard ASCII format. Characters shown in the following table are acknowl-
edged by the Scale. Invalid command response "ES" error indicates the Scale has not recognized the command.
Commands sent to the Scale must be terminated with a carriage return (CR) or carriage return-line feed (CRLF). Data
output by the Scale is always terminated with a carriage return-line feed (CRLF).
3.7.1 Output Formats
Data output can be initiated in one of two ways; 1) By pressing PRINT/ UNITS button, 2) Sending a print command (“P”)
from a computer or a PLC.
The output format is illustrated in the RS232 command table which follows.
Command
Character Description
?Print current mode: kg, g, lb., oz.
PSame as pressing PRINT button..
TSame as pressing TARE button.
Zsame as pressing ZERO button.
xS Print Stable only. Where x=0 Off, and x=1 On
AS Automatically send data when stable after motion.
xxxxS Send at interval. Where xxxx=1 to 3600 seconds.
CS Send as fast as possible (continuous print)
MIncrement to next enabled unit
To turn auto printing, interval printing or continuous printing off, send P to reset normal printing mode.
RS232 COMMAND TABLE
3. OPERATION (Cont.)
1 N/C
2 Data In (RXD)
3 Data Out (TXD)
4 N/C
5 Ground
6, 7, 8, 9 N/C

8
Trooper Scale
4. SETUP
For first time setup, step through all menus and set the parameters as desired.
4.1 Setup Protection
The Trooper Scale is equipped with menus which permit certain functions to be locked out (not changed) during
operation. If you intend to lock out changes to the setup selections you make, you will need to access the Lock Switch
located on the main PC circuit board following the setup procedure.
The Scale has five menus; CAL, SETUP, READ, PRINT and LOCSW which are entered by pressing and holding the G/N/
T/
MENU button until MENU is displayed, then releasing it. The display then switches to SETUP. To access the rest of the
menus, the PRINT/
UNITS button is repeatedly pressed until the desired menu is reached.
4.4.1 Control Functions
During setup, only the PRINT/ UNITS and G/N/T/ MENU buttons are used.
PRINT/
UNITS Button
Change between menus horizontally or change sub-menu parameters.
G/N/T/
MENU Button
Press and hold to enter menu. Enters menu and steps through sub-menus vertically.

9
Trooper Scale
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MAIN MENU
CAL SEt uP rEAd Print LOCSW
CALIBRATION
SPAN Y
LIN Y
Legal for Trade
ON, Off, Can
Zero
2%,18%, 100%
Calibration Unit
lb or kg
F Capacity, cannot be
changed.
Graduation Size
.001, .002, .005...
Calibration Point
5kg, 10kg...
Save Settings
* Reset N or Y
to Factory Settings
* Averaging Level
HI or LO
* Stability Level
0.5, 1, or 3
*Unit g switch
ON or OFF
*Unit kg switch
ON or OFF
*Unit lb switch
ON or OFF
* Unit oz switch
ON or OFF
(See Note)
*Auto Zero Tracking
0.5, 1 or 3
*Auto Off Timer
ON (5 min) or OFF
*Retain Zero Data
ON or OFF
Backlight
ON, OFF or AUTO
EP (Service mode)
ON or OFF
* Save Settings
* Reset
to Factory Settings Yes
or No
* Baud Rate set
1200, 2400, 4800
9600, 19,200
*Parity Bit set
NONE, Even, or Odd
*Data Length set
7 or 8
*Stop Bits set
1 or 2
Auto Print
ON, OFF, cont, On Sta-
bility
Interval
1to 3600 seconds
Stable
ON or OFF
* Save Settings
SETUP Lock
Switch set
ON, OFF
* READOUT
Lockout Switch set
ON, OFF
* PRINT Lockout
Switch set
ON, OFF
CALIBRATION
Lockout Switch set
ON, OFF
* Save Settings
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Press (G/N/T/ MENU )to enter the display submenu or select a displayed setting.
Press (PRINT/
UNITS )to change the displayed submenu or setting.
Factory default settings are shown in underlined and boldface type.
When CAL switch on the circuit board is in the LFT position, all of the menus can be
reached except CALIBRATION Menu, but only the submenus which are marked ' ' can be
setup, see menu structure.
Quit
NOTE: FOR SHADED AREA
Whichever unit is used for calibration is au-
tomatically set to "ON" and does not appear
inthe READ menu. For details about units in
the shaded area, refer to paragraph 4.6.
4.4.2 Menu Structure
The following table illustrates the menu structure in the Trooper Scale.
*

10
Trooper Scale
4.4.3 Setup Menu
The Setup Menu is used to set up the Scale for the first time.
Procedure
With the Scale ON, press and hold the G/N/T/ MENU
button until MENU is displayed. When you release G/N/
T/
MENU button, SETUP is displayed when the CALIBRA-
TION Lock Switch (software) is in the locked position.
When the CALIBRATION Lock Switch is locked, the Scale
will not permit calibration.
Press PRINT/
UNITS button, SETuP is displayed.
Press G/N/T/
MENU button, LFTOFF is displayed. Legal
for trade selections are:
'LFT ON' - LFT is ON
'LFTOFF' - LFT is OFF
'LFTCAn' - LFT is set for Canada
Press PRINT/
UNITS button and select either ON, OFF or
Canada.
Press G/N/T/
MENU button, 0 2 is displayed. This is the
Zero 2%, 18% or 100% setting. 2% - zero operation
range is - 2% to + 2%. 18% - zero operating range is -
2% to +18%, 100% - zero operation range is -2% to
+100%.
NOTE: If LFT is ON, only 2% and 18% are available.
Press PRINT/
UNITS button, and select either 2%, 18%
or 100%.
Press G/N/T/
MENU button, CAL Un kg is displayed.
This is the calibration unit setting. Selections are:
'lb' - calibration unit is lb
'kg' - calibration unit is kg.
Press PRINT/
UNITS button, and select either kg or lb.
NOTE: The Scale is factory calibrated. After changing
the calibration unit, the Scale must be recalibrated
befoe using!
kg

11
Trooper Scale
Press PRINT/ UNITS button until desired capacity value
is reached.
Press G/N/T/
MENU button, Gd 0.1 is displayed. This is
thegraduation size.For availableselections, pressPRINT/
UNITS button until desired graduation value is reached.
Press G/N/T/
MENU button, CP 30 kg is displayed. This
is the full scale calibration point setting. Default is ap-
proximately 2/3 full scale capacity and can be selected
depending upon the model.
PressPRINT/
UNITS buttonuntildesiredcalibrationvalue
is reached.
Press G/N/T/ MENU button to end this block, SAVE is
displayed.
Press G/N/T/
MENU button, rEAD is displayed which is
the next menu or press PRINT/
UNITS button to return to
Setup menu.
4.4.3 Setup Menu (Cont.)
kg
kg

12
Trooper Scale
4.4.4 Readout Menu
The Readout menu is used to adapt the Scale to environmental conditions, set measuring units on/off, auto zero
tracking, timer on/off, retain zero data and backlighting. Review all of the settings available before proceeding.
Procedure
To select any of the items in the Readout menu, proceed
as follows: NOTE: If you have entered from the preceeding
menu, disregard the first step.
With the Scale ON, press and hold the G/N/T/
MENU but-
ton until MENU is displayed. When you releasethe G/N/
T/
MENU button, CAL is displayed, then press PRINT/
UNITS button, until rEAd is displayed.
Press G/N/T/
MENU button, rESETn is displayed. This al-
lows resetting the readout menu to factory defaults.
rESETn = no and does not reset settings. rESETy= yes
and will reset the entire readout menu as follows: AL Lo,
StAb 1, Un Off g, Un On kg, Un On lb, Un Off oz, AZt 0.5,
Aot Off, rZd Off and Backlight Off.
Press PRINT/
UNITS button,and select N or Y.
AVERAGING LEVEL
Averaging level compensates for vibration or excessive air
currents on the scale platform. During operation, the Scale
continually takes weight readings from the load cell. Suc-
cessive readings are then digitally processed to achieve a
stabilized display. Using this feature, you specify how much
processing you need.
HI and LO settings are available.
HI setting:
More processing, greater stability and
slower stabilization time.
LO setting:
Less processing, less stability and faster
stabilization time.

13
Trooper Scale
4.4.4 Readout Menu (Cont.)
Procedure
AVERAGING LEVEL (Cont.)
Press G/N/T/
MENU button, AL LO is displayed. This is
averaging level settings. Selections are:
'Lo' - Averaging level is low
'Hi' - Averaging level is high.
Press PRINT/
UNITS button,and select LO or HI.
STABILITY
The stability range specifies the weighing results and must
be within a preset tolerance limit for a certain time to turn
the stability indicator ON. When a displayed weight changes
beyond the allowable range, the stability indicator turns
OFF, indicating an unstable condition. Factory default set-
ting is shown in bold type.
.5d Smallest range: stability indicator is
ON only when displayed weight is
within .5 divisions.
1d Normal setting. - Fixed for LFT
3d More stable course
Press G/N/T/
MENU button, StAb1 is displayed.The sta-
bility range specifies the weighing results and must b e
within a preset tolerance limit for a certain time to turn
the stability indicator ON. When a displayed weight
changes beyond the allowable range, the stability indi-
cator turns OFF, indicating an unstable condition. 0.5 d
smallest range, stability indicator is ON only when dis-
played weight is stable within 0.5 divisions. 1 d-stable
within 1 division. 3 d-largest range, stability indicator is
ON even though displayed weight changes 3 divisions.
Factory default setting is 1.
Press PRINT/
UNITS button,and select 0.5, 1, or 3.Nor-
mal 1d stability is default/recommended.

14
Trooper Scale
UNITS SELECTION
Press G/N/T/
MENU button, Un OFF g is displayed.
Press PRINT/
UNITS button, and select ON or OFF. OFF is
the default setting.
Press G/N/T/
MENU button, Un ON lb is displayed. This
is unit pounds which can be turned ON or OFF. This will
be displayed when CAL UNIT kg was selected. When lb
was selected as calibration unit, kg will display.
Press PRINT/
UNITS button,and select ON or OFF. ON is
the default setting.
Press G/N/T/
MENU button, Un OFF oz is displayed.
This unit is ounces which can be turned ON or OFF.
Default setting is OFF.
Press PRINT/
UNITS button,and select ON or OFF.
NOTE: If CAL Unit is kg, then UNIT kg is fixed to ON menu
not shown. The same if CAL Unit is set to lb.
4.4.4 Readout Menu (Cont.)
Procedure
g
lb
oz
kg
AUTO ZERO
Press G/N/T/
MENU button, AZt 0.5 is displayed. This is
the Auto Zero Threshold setting. Auto Zero minimizes the
effects of temperature changes and small disturbances
on the zero reading. The Scale maintains the zero dis-
play until the threshold is exceeded. Settings are shown
as follows:
OFF
0.5d Sets threshold to 0.5 divisions. - Fixed in LFT
1d Sets threshold to 1 division.
3d Sets threshold to 3 divisions.
Factory default setting is 0.5d.
Press PRINT/
UNITS button,and select either 0.5, 1 or 3.