Intercomp PROFESSIONAL SW777 User manual

Intercomp Co.
3839 County Road 116
Medina, MN 55340 U.S.A.
www.intercompcompany.com
(763)-476-2531
1-800-328-3336
Fax: [phone]
RFX LOAD STICK SYSTEMS
User Manual

RFX Load Stick Systems
7005195 Rev A, August 2021
TABLE OF CONTENTS
EU DECLARATION OF CONFORMITY ....................................................................................................... 4
INTRODUCTION ........................................................................................................................................... 6
OPTIONAL EQUIPMENT ......................................................................................................................... 6
SPECIFICATIONS ........................................................................................................................................ 7
CONTROLS .............................................................................................................................................. 7
ELECTRICAL ............................................................................................................................................ 7
PERFORMANCE ...................................................................................................................................... 7
ENVIRONMENTAL ................................................................................................................................... 8
PHYSICAL ................................................................................................................................................ 8
LOAD STICK ELECTRICAL ..................................................................................................................... 8
RADIO ....................................................................................................................................................... 9
INDICATOR OVERVIEW ............................................................................................................................ 10
INDICATOR CONTROLS ....................................................................................................................... 10
ON/OFF .............................................................................................................................................. 10
ZERO .................................................................................................................................................. 10
BACKLIGHT ....................................................................................................................................... 11
PRINT (SERIAL OUTPUT) ................................................................................................................. 11
CLEAR ................................................................................................................................................ 12
STORE/ENTER .................................................................................................................................. 12
COMPARE .......................................................................................................................................... 12
TARGET ............................................................................................................................................. 12
ACTUAL .............................................................................................................................................. 12
CENTER OF GRAVITY – CG ............................................................................................................. 13
NUMERIC KEYPAD ........................................................................................................................... 13
LF, RF, LR, RR ................................................................................................................................... 14
SPECIAL KEY COMBINATIONS ............................................................................................................ 14
CHANGE DISPLAY FORMAT ................................................................................................................ 15
LOCK DISPLAY FORMAT .................................................................................................................. 16
BASELINE SETUP ................................................................................................................................. 16
STORE BASELINE SETUP ................................................................................................................ 16
MANUALLY ENTER THE TARGET SETUP ...................................................................................... 17
RECALL BASELINE SETUP .............................................................................................................. 19
CLEAR BASELINE SETUP ................................................................................................................ 19
DISPLAY CONTRAST ............................................................................................................................ 20
OPERATION ............................................................................................................................................... 21
QUICK START NORMAL MODE ........................................................................................................... 21
LOAD STICK OPERATION ........................................................................................................................ 22
RIDE HEIGHT (STATIC POSITION) ...................................................................................................... 22
ATTITUDE (DYNAMIC POSITION) ........................................................................................................ 22
INDICATOR DISPLAY LAYOUT OVERVIEW ........................................................................................ 23
AUTOMOTIVE DISPLAYS...................................................................................................................... 24
OVAL TRACK ..................................................................................................................................... 24
CUP/NW ............................................................................................................................................. 24
ROAD RACING .................................................................................................................................. 24
DIRT TRACK ...................................................................................................................................... 25

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DRAG/RALLY ..................................................................................................................................... 25
WHEELS AND PERCENTAGES ........................................................................................................ 25
TOTAL ................................................................................................................................................ 26
TOTAL + 4 .......................................................................................................................................... 26
JAPAN VERSION ............................................................................................................................... 27
FREE SCALING ................................................................................................................................. 27
FIXED SCALING ................................................................................................................................ 27
RF-LF CROSS VERSION................................................................................................................... 28
iRaceWeigh BLUETOOTH CONNECTION ............................................................................................ 29
SERIAL OUTPUT ....................................................................................................................................... 31
MULTI-LINE CONTINUOUS OUTPUT ................................................................................................... 31
TOTAL ONLY CONTINUOUS OUTPUT ................................................................................................ 31
STEREO JACK RS232 ........................................................................................................................... 32
USB OUTPUT ......................................................................................................................................... 32
TROUBLESHOOTING ................................................................................................................................ 33
iRaceWeigh BLUETOOTH CONNECTION ............................................................................................ 33
IOS PAIRING ...................................................................................................................................... 35
ERROR MESSAGES .............................................................................................................................. 36
SCALE ERROR MESSAGES ............................................................................................................. 36
INDICATOR ERROR MESSAGES ..................................................................................................... 36
OPTIONAL EQUIPMENT INSTALL ........................................................................................................... 37
MAINTENANCE .......................................................................................................................................... 38
POWER / BATTERY............................................................................................................................... 38
BATTERY REPLACEMENT - INDICATOR ........................................................................................ 38
AUTO-OFF AND SLEEP MODES ...................................................................................................... 39
HOW TO CONTACT INTERCOMP SERVICE ........................................................................................... 41

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EU DECLARATION OF CONFORMITY
PRODUCT DESCRIPTION: SW RFX Scale Systems
We, Intercomp Company
3839 County Road 116
Medina, Minnesota 55340 USA
Declare under the sole responsibility of Intercomp Company that the SW RFX Scale Systems which this
declaration relates is in conformity with the relevant Union harmonization legislation, and meets the
essential health and safety requirements, and is in conformity with the relevant EC Directives listed below
using the relevant section of the following standards and other normative documents.
DIRECTIVE DIRECTIVE TITLE / PURPOSE
(EC) No 278/2009 No-load condition electric power consumption and average
active efficiency of external power supplies
2001/95/EC On general product safety
2004/108/EC Relating to electromagnetic compatibility and replacing Directive
89/336/EEC
2009/125/EC Ecodesign requirements for energy-related products
(2005/32/EC recast)
2012/19/EU On waste electrical and electronic equipment (WEEE) (Directive
20/96/EC Recast)
2013/56/EU Amending Directive 2006/66/EC on batteries and accumulators
2014/53 EU
Of the European parliament and the Council of 16 April 2014 on
the harmonization of the laws of the Member States relating to
the making available on the market of radio equipment and
repealing Directive 1995/5/EC Text with EEA relevance AKA
Radio Equipment Directive (RED)
EN 300 328 V2.1.1 (2016
‐
11) Wideband transmission systems; Data transmission equipment
operating in the 2.4Ghz ISM band
EN 301 489-1 V2.2.0 (2017-03) Electro-Magnetic Compatibility (EMC) standard for radio
equipment and services; Part 1:Common technical requirements
EN 55011:2009, Class B
Industrial, scientific and medical equipment - Radio-frequency
disturbance characteristics - Limits and methods of
measurement
EN 61000-6-2:2019 Electromagnetic compatibility (EMC) - Part 6-2: Immunity for
industrial environments
EN 61000-6-3:2007+A1:2011
Electromagnetic compatibility (EMC). Generic standards:
Emission standard for residential, commercial and light-industrial
environments

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EU DECLARATION OF CONFORMITY
DIRECTIVE DIRECTIVE TITLE / PURPOSE
EN 62311:2008
Assessment of electronic and electrical equipment related to
human exposure restrictions for electromagnetic fields (0 Hz -
300 GHz)
EN60950-1:2006+A2:2013 Information technology equipment. Safety. General requirements
EN61000-6-1:2019 Generic standards, Residential, commercial and light industry
environment
The safety issues of this measurement equipment have been evaluated under the self-certification
provisions of the relevant directives. This product complies with all safety-relevant provisions referring to
protection against electrical hazards and other hazards, such as mechanical hazards, fire hazards, noise
and vibration.
The related technical construction files are held for inspection in the U.K. at Intercomp Europe Limited.
Signed for and on the behalf of Intercomp Company:
Mark Browne / Quality Manager
Medina, Minnesota USA
December 6, 2019

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INTRODUCTION
This manual contains specifications and operating instructions for Intercomp Load Stick
Systems.
OPTIONAL EQUIPMENT
PRODUCT PART
NUMBER DESCRIPTION
SUSPENSION LOADSTICK
(BODY ONLY) - SHORT LENGTH 174004 Short Body Length working range 15 inch – 20.25 inch
SUSPENSION LOADSTICK
(BODY ONLY) - MEDIUM
LENGTH
174005 Medium Body Length for working range
16.75 inch – 22 inch
SUSPENSION LOADSTICK
(BODY ONLY) - LONG LENGTH 174006 Long Body Length for working range 20 inch – 25.25 inch

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SPECIFICATIONS
CONTROLS
DISPLAY KEYS
ON/OFF ZERO BACKLIGHT PRINT
CLEAR STORE/ENTER ACTUAL TARGET
COMPARE LF LR RF
RR CG NUMERIC KEYSCALE
DISPLAY SCREEN
4 Line X 20 Character (0.5 inch), LCD Readout
ELECTRICAL
FUNCTION DESCRIPTION
Voltage 6 - 15 VDC @ 0.4A, or supplied universal input power supply/charger
Batteries 4 x AA NiMH rechargeable or 4 x AA alkaline batteries
Battery Life 38 hours with alkaline batteries (with backlight off)
Filtering Analog and Digital filtering result in stable weight readings
Outputs USB and RS232 outputs to computer or printer
PERFORMANCE
FUNCTION DESCRIPTION
Speed 1 sec to reading (typical)
Accuracy 0.25% of applied load or  display graduation, whichever is greater
Division
SUSPENSION LOADSTICK
WIRELESS W/INDICATOR-
SINGLE
3000 lb / 1360 kg per scale,
graduation = 1 lb/0.5 kg
SUSPENSION LOADSTICK
WIRELESS W/INDICATOR-
SET OF 2
3000 lb / 1360 kg per scale, 6000 lb/ 2720
kg system capacity, graduation = 1 lb/0.5 kg
SUSPENSION LOADSTICK
WIRELESS W/INDICATOR-
SET OF 4
3000 lb / 1360 kg per scale,
12000 lb/ 5440 kg system capacity,
graduation = 1 lb/0.05 kg
SUSPENSION LOADSTICK
WIRELESS NO INDICATOR-
SINGLE
3000 lb / 750 kg per scale,
graduation = 1 lb/0.5 kg

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SPECIFICATIONS
ENVIRONMENTAL
FUNCTION DESCRIPTION
Humidity 10 to 95% non-condensing
Temperature Operating +14 F to +122 F / -10 C to +50 C
Storage -40 F to +170 F / -40 C to +75 C
PHYSICAL
ITEM DESCRIPTION SPECIFICATION
SUSPENSION
LOADSTICK WIRELESS
W/INDICATOR-SINGLE
Dimensions 20 in x 15 in x 5 in / 508 x 381 x 127 mm
Weight 10 lb / 11.4 kg
SUSPENSION LOADSTICK
WIRELESS W/INDICATOR
-
SET OF 2
Dimensions 20 in x 15 in x 5 in / 508 x 381 x 127 mm
Weight 15 lb / 10.5 kg
SUSPENSION
LOADSTICK WIRELESS
W/INDICATOR-SET OF 4
Dimensions 18 in x 28 in x 7 in / 457 mm x 711 mm x
178 mm
Weight 25 lbs / 3.0 kg
SUSPENSION
LOADSTICK WIRELESS
NO INDICATOR-SINGLE
Dimensions 15 in x 3.5 in x 2.5 in / 381 mm x 89 mm x
64 mm
Weight 10 lbs / .77 kg
LOAD STICK ELECTRICAL
FUNCTION DESCRIPTION
Batteries 2 - AA Size Alkaline batteries
Battery Life 430 hours

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SPECIFICATIONS
RADIO
FUNCTION SPECIFICATION
Radio Frequency ISM 2.4GHz, 802.15.4 DSSS*
License Requirements None. Pre-approved US/FCC, CAN/IC, EUR/CE
Bluetooth (RFX Indicator Only) For use with mobile app connection
Range 75 ft / 25m indoor, 150 ft / 45m line of sight

Radio Notes: Frequency: ISM 2.4GHz (2.400GHz - 2.483GHz), with 12 channels (CH 1 -12)
within that range with each center frequency = 2405MHz + (CH * 5) MHz Power output
63mW (18dBm), 10mW (10dBm) for international variant. Antenna is internal surface mount
with -1.5dbi gain, omni-directional.
WARNING: FCC Radio Frequency (RF) exposure requirements for mobile
transmitting devices dictate that a separation distance of 20 cm or more should
be maintained between the antenna of this device and persons during device
operation. To ensure compliance, operations at closer than this distance is not
recommended. The antenna used for this transmitter must not be co-located in
conjunction with any other antenna or transmitter.

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INDICATOR OVERVIEW
Intercomp supplies a variety of vehicle scale systems that include a comprehensive
line-up of indicator options. The SW777 RFX Indicator is shown below. This section
provides an overview on the capabilities and operation of the SW RFX series scale
systems and indicators.
INDICATOR CONTROLS
ON/OFF
Press the ON/OFF key to turn the indicator ON and OFF. Press and hold the ON/OFF
key when turning the indicator on to display the copyright screen.
ZERO
Press the ZERO key to access the Zero Menu. Press the LF, RF, LR, or RR key to zero
an individual scale. Press the ZERO key to zero all four scales. When the scale is
turned off, the current zero will be retained. If a car is on the scales and the indicator is
turned off, the current weight will be displayed on the indicator when the scale is turned
on.

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INDICATOR OVERVIEW
Indicator Controls (continued)
AZT (Auto Zero Tracking)
The SW RFX Indicator has a feature called Auto Zero Tracking (AZT). AZT corrects
slight zero changes during normal operation. If small weights are added while the
display is at or near zero, the indicator will zero the weights off.
BACKLIGHT
Press the BACKLIGHT key to turn the backlight on and off.
PRINT (SERIAL OUTPUT)
Press the PRINT key to access the PRINT Menu. Press the 1 key to print the screen.
The print format displayed will be the same as the last active screen format used. The
following screenshot is an example of a print layout.
Press the 2 key to access the PRINTING OPTIONS Menu. The following menu is
displayed.
In this example, Print Option 1 - TOGGLE CONTINUOUS (continuous serial output) is
disabled (OFF). The serial output is an externally available signal that can drive a
numeric overhead display, a computer RS-232 input or other peripheral devices
INTERCOMP, U.S.A.
TEL: [phone]
ACTUAL LBS
LF 232 RF 222
LR 241 RR 206
LEFT 52.50% C 51.39%
REAR 49.61% T 901
PRINTING OPTIONS
1: TOGGLE CONTINUOUS
(OFF )
2: SELECT BAUD RATE

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INDICATOR OVERVIEW
Indicator Controls (continued)
To select the continuous serial output setting, press the 1 key. Three selections are
available.
SETTING FUNCTION
OFF Continuous output disabled. Print screen enabled
MULTI-LINE Continuous output enabled, multi-line format
TOTAL ONLY Continuous output enabled, total only format
The Baud Rate of the SW scale must match the Baud Rate setting of the indicator to
enable wireless communication. To change the Baud Rate press the 2 key. The active
Baud Rate will have an asterisk to the right of the number displayed. Press the
corresponding key to change the Baud Rate. Refer to the Serial Output section for
additional information.
CLEAR
When in Normal weighing mode, press the CLEAR key to erase a memory location.
Press the CLEAR key to reset the number to 00 when accessing a numeric entry
screen. Refer to the Clear Baseline Setup section for additional information.
STORE/ENTER
The STORE/ENTER key is used to store a setup as a target setup. Refer to the Store
Baseline Setup section for additional information. The STORE/ENTER key is also used
to save a numeric entry.
COMPARE
Press the COMPARE key to compare the actual weight to the target weight. The value
is positive when the actual weight is less than target weight. The value is negative when
the actual weight is greater than the target weight.
TARGET
The ideal weight setup for the car is described as the target weight. Press the TARGET
key to view the target weight. Refer to the Store Baseline Setup and Recall Baseline
Setup sections for additional information.
ACTUAL
Press the ACTUAL key to view the actual weight. The ACTUAL key can be used to exit
the program or as a Back key to scroll back to previous screens.

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INDICATOR OVERVIEW
Indicator Controls (continued)
CENTER OF GRAVITY – CG
ATTENTION: The Center of Gravity feature on the indicator is designed to
be used with the RFX Scale Systems
Press the Center of Gravity (CG) key to access Center of Gravity feature. Press the 1
key for Standard CG. Press the 2 key for Vertical CG.
STANDARD CG
1. Enter the axle width dimension.
2. Enter the wheel base dimensions.
The center of gravity screen is displayed. To exit the CG mode, press the CG key.
Press any key except key I or 2.
VERTICAL CG
1. Position the car level on the scale. Enter the wheel base length.
2. Enter the height the rear wheels will be elevated to for the vertical CG calculation.
The center of gravity screen is displayed. To exit the CG mode, press the CG key.
Press any key except key I or 2.
Refer to the Center of Gravity section for additional information.
NUMERIC KEYPAD
Use the numeric keypad when prompted to enter a number. When the desired number
is entered, press the STORE/ENTER key to save the entry.
The Numeric Keypad can be used to recall target setups when the scale is in Normal
weighing mode. Refer to the Recalling Baseline Setups section for additional
information.

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INDICATOR OVERVIEW
Indicator Controls (continued)
LF, RF, LR, RR
The following keys are used when in the Road Racing format.
KEY DESCRIPTION
LR Left Front
RF Right Front
LR Left Rear
RR Right Rear
When a key is pressed, the corresponding scale toggles between select and unselect. If
the scale is selected, an arrow will be displayed to the left of the weight displayed on
the screen.
SPECIAL KEY COMBINATIONS
Press the ZERO and PRINT keys simultaneously to access the Special Key
Combination menu.
1. SWITCH lb/kg
2. READ ONLY (OFF)
3. HUB MODE(OFF) 5:BT
(HIT ACTUAL TO EXIT)
1. Switch LB/KG
To switch from the pound unit of measure (lb) to kilograms (kg), press the 1 key to
toggle between the lb and kg unit of measure.
2. Read Only Mode
When using multiple indicators, all indicators except for the indicator designated as
the master indicator must be set to READ ONLY. Press the 2 key to toggle between
OFF and ON. Press the ACTUAL key to exit the screen.
3. Hub Mode

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Press the 3 key to access the Hub Mode options. Refer to the Quick Start (Hub
Mode) section for further instructions on how to configure the system.
INDICATOR OVERVIEW
Special key Combinations (continued)
5. BT
Press the 5 key to access the Bluetooth-APP Link menu.
1) Press the 1 key to ENABLE the Bluetooth APP link for use with the
iRaceWeigh app. Enabling the BT APP feature will also set the Continuous
Output required for the Bluetooth link: Multi-line, 9600 Baud.
2) Press the 2 key to select the DISABLE/STANDBY Bluetooth APP option. The
Continuous Output mode will be disabled.
3) Press the 3 key to reset the Bluetooth-APP Paring.
WARNING: The RESET PAIRING option should only be used when
assistance is required to resolve pairing issues that may occur with
some mobile devices. Refer to the Troubleshooting iRaceWeigh
instructions under the Troubleshooting section for information on how
to reset pairing.
CHANGE DISPLAY FORMAT
To change the display format (the first screen displayed when the indicator is turned
on), press the 1 key and 0 key simultaneously. The following screen will be displayed:
1:OVAL 5:DRAG/RALLY
2:CUP/NW 6:WHT+%
3:ROAD RACE 7: TOTAL
4:DIRT TRK 8: TOTAL + 4
Press a key (1 - 8) to change the format to corresponding description.
BLUETOOTH-APP LINK
1. ENABLE
2. DISABLE/STANDBY
3. RESET PAIRING

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INDICATOR OVERVIEW
Change Display Format (continued)
LOCK DISPLAY FORMAT
The Lock Display Format feature allows a specific display format to be displayed
immediately after power-up. The different display formats are presented in the Auto
Displays and Kart Displays sections. To activate Lock Display Format feature, select
the desired display format. Simultaneously press the RF key, the 3 key and CLEAR
key. The message DISPLAY CHOICE SAVED will be displayed for approximately 1
second. Turn the indicator off and then back on. The indicator will automatically display
the selected format when the indicator is turned on.
To unlock the Lock Display Format feature, simultaneously press the RF key, the 3 key
and the CLEAR key. The message DISPLAY CHOICE UNLOCKED will be displayed for
approximately 1 second. The Change Display Format menu will then be displayed when
the indicator is turned on.
BASELINE SETUP
ATTENTION: This feature on the indicator is designed to be used with the
RFX Scale Systems.
STORE BASELINE SETUP
Up to 99 setups can be stored in the indicator. Press the STORE/ENTER key to store a
weight setup as a target setup. Use the numeric keypad to enter the setup and save it
in a memory location (from 1 to 99). If a setup has already been stored in the selected
location, the following message will be displayed:
To continue with the save and overwrite the information that currently resides in the
location, press the 1 key. To save the setup to another location, press the 2 key to exit
the memory location.
* THIS MEMORY SPOT *
* ALREADY HAS DATA *
1: OVERWRITE
2: EXIT

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INDICATOR OVERVIEW
Baseline Setup (continued)
MANUALLY ENTER THE TARGET SETUP
To manually enter target weights, press the STORE/ENTER key. Enter setting 00.
Press the STORE/ENTER key. Press one of the keys referenced in the following table
to select the method used to enter the target weights.
KEY DESCRIPTION
1 Direct Key-In
2 Wedge
3 Target%
1: DIRECT KEY-IN
Manually entering values in Direct Key-In format enables targets to be entered with
the following parameters: Left Front Weight, Right Front Weight, Left Rear Weight
and Right Rear Weight.
1. Press the STORE/ENTER key to enter a target setup.
2. Enter 00 and press STORE/ENTER.
3. Press 1 to select the Direct Key-In format.
4. Enter target weight for Left Front Wheel.
5. Enter target weight for Right Front Wheel.
6. Enter target weight for Left Rear Wheel.
7. Enter target weight for Right Rear Wheel.
8. Enter a memory location (1-99) to save the target setup entry.
9. The screen will return to Normal weighing mode.

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INDICATOR OVERVIEW
Baseline Setup (continued)
2: WEDGE
Manually entering values in Wedge format enables targets to be entered with respect
following parameters: Total Weight, Left Side %, Rear % and Wedge %.
1. Press the STORE/ENTER key to enter a target setup.
2. Enter setting 00. Press the STORE/ENTER key.
3. Press the 2 key to select the Wedge format.
4. Enter the Total Weight.
5. Enter the Left Side %.
6. Enter the Rear %.
7. Enter the Wedge %.
8. Enter a memory location (1-99) to save the target setup entry.
9. The screen will return to Normal weighing mode.
TARGET %
Manually entering values in the Target % format enables targets to be set with the
following parameters: Left Front %, Right Front %, Left Rear %, Right Rear %.
1. Press the STORE/ENTER key to enter a target setup.
2. Enter setting 00. Press the STORE/ENTER key.
3. Press the 3 key to select the Target % format.
4. Enter the Total Weight.
5. Enter the Left Front %.
6. Enter the Right Front %.
7. Enter the Left Rear %.
8. Enter the Right Rear %.
9. Enter a memory location (1-99) to save the target setup entry in.
10. The screen will return to Normal weighing mode.

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INDICATOR OVERVIEW
Baseline Setup (continued)
ATTENTION: This feature on the indicator is designed to be used with the
RFX Scale Systems.
RECALL BASELINE SETUP
To recall one of the 99 setups, use the numeric keypad to access a memory location
between 0-99. The following menu will be displayed. In this example, memory location
06 was selected.
Enter the desired memory location number. Press the STORE/ENTER key. The scale
automatically switches to TARGET mode to display the stored setup. Press the
ACTUAL key to view the current weights on the scales. Press the COMPARE key to
display a comparison of the current weights to the target weights.
CLEAR BASELINE SETUP
To clear a setup from a memory location, press the CLEAR key. The following screen
will be displayed. Use the numeric keypad to enter the number of the memory location
to be cleared. Press the STORE/ENTER key to save the entry. To exit, press the
ACTUAL key.
To clear all 99 memory location at one time, enter 00. A second screen will be
displayed to confirm the action. Use the numeric keypad to enter setting 9 to confirm
that all setups are to be cleared from memory. Press any other key to exit without
clearing all 99 memory locations.
RECALL SETUP FROM
MEMORY#1-99: 06
(HIT ACTUAL TO EXIT)
CLEAR SETUP FROM
MEMORY #1-99: 01
(OR ENTER ‘00’ TO
CLEAR ALL SETUPS)

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DISPLAY CONTRAST
Adjusting the contrast can improve the viewing quality of the display when viewed from
different angles. The display contrast is adjusted by pressing the BACKLIGHT key and
one of the wheel keys simultaneously. Press the BACKLIGHT key and either the RF or
LF key simultaneously to increase the contrast. Press the BACKLIGHT key and either
the RR key or LR key simultaneously to decrease the contrast.