Charder MS 4600 User manual

35
Manufacturer’s Declaration of Conformity
This product has been manufactured in accordance with
the harmonized European standards, following the
provisions of the below stated directives:
93/42/EEC as amended by
2007/47/EC
Medical Device Directive
2014/31/EU
Non-
automatic Weighing Instruments
Directive
Please see separate document showing on sticker of device for
above CE marking.
Authorized EU Representative:
Manufactured by:
Charder Electronic Co., Ltd.
No.103, Guozhong Rd., Dali Dist.,
Taichung City 412,Taiwan (R.O.C.)
FDA no.: D051882
IN-1012 [7025L] 04/2016
- 0 -
MS 4600/4610
USER MANUAL
Please keep the instruction manual at hand all the time for future reference.

- 1 -
TABLE OF CONTENTS
PREFACE................................................................................................. 2
GENERAL INFORMATION .................................................................... 2
SAFETY INSTRUCTION......................................................................... 2
ENVIRONMENTAL................................................................................. 3
CLEANING.............................................................................................. 3
MAINTENANCE ..................................................................................... 3
WEIGHING OPERATION........................................................................ 4
WARRANTY-LIABILITY........................................................................ 4
DISPOSING OF THE SCALE.................................................................. 5
EXPLANATION OF THE GRAPHIC SYMBOLS.................................... 6
EMC guidance and manufacturer's declaration.......................................... 8
SPECIFICATION.................................................................................... 13
MEDICAL SCALE MODELS APPROVAL LIST................................... 14
PANEL.................................................................................................... 15
KEY FUNCTION ................................................................................... 16
LCD DISPLAY SYMBOLS.................................................................... 18
USING SCALE....................................................................................... 19
USING HOLD FUNCTION.................................................................... 19
USING TARE FUNCTION..................................................................... 21
MS 4610- STORING AND RE-CALLING PRE-TARE WEIGHT .......... 22
USING BMI FEATURE.......................................................................... 25
MS4610 & 4600: SET-UP....................................................................... 27
PRINT FUNCTION................................................................................ 28
INSTRUCTION FOR CHARGING AND CONNECTING ..................... 31
INSTRUCTION FOR REPLACING BATTERIES.................................. 32
ERROR MESSAGE................................................................................ 33
34
NOTE

33
ERROR MESSAGE
- 2 -
PREFACE
Thank you for choosing CHARDER MEDICAL product. All features
of this product were designed to state of the art and are optimized
for simple and straightforward use. If you have any queries or
experience any problems not addressed in the operating
instructions, please contact your CHARDER MEDICAL service
partner, or visit us on the Internet at www.chardermedical.com
GENERAL INFORMATION
We strongly recommend you use the scales on flat and hard surface.
Any soft surface, like carpet will cause inaccuracy.
SAFETY INSTRUCTION
Before putting the device into use, please read with care the
information given in the Operating Instructions. They contain
important instructions for installation, proper use and maintenance
of the device.
The manufacturer shall not be liable for damages arising out of
failure to heed the following instructions:
When using electrical components under increased safety
requirements, always comply with the appropriate regulations.
Improper installation will render the warranty null and void.
Ensure the voltage marked on the power supply unit matches
your mains power supply.
This device is designed for use indoors.
Observe the permissible ambient temperatures for use
The device meets the requirements for electromagnetic
compatibility. Do not exceed the maximum values specified in
the applicable standards.
If you have any problem, please contact your local CHARDER
MEDICAL service partner.

- 3 -
ENVIRONMENTAL
All batteries contain toxic compounds; disposal of batteries
should be delegated to a competent organisation, complying
with the deposit of Poisonous Waste Regulation 1972.
Please do not incinerate batteries.
The optimum operating temperature for the scale is 5℃to +35
℃; although it will operate at higher and lower temperatures the
scales battery life will be adversely effected.
CLEANING
We would recommend using alcohol based wipes or similar
when cleaning the scales.
Please do not use large amounts of water when cleaning the
scales as this will cause damage to the scales electronics, you
should also refrain from using corrosive liquids or high pressure
washers.
Always disconnect the scales from the mains power supply
before cleaning.
MAINTENANCE
The scale does not require any routine maintenance. However, we
recommend checking the scale’s accuracy at regular intervals. The
regularity of these checks is dependent on the level of use and the
state of the scale. If any inaccuracies occur, please contact your
local dealer or CHARDER MEDICAL service partner.
- 32 -
INSTRUCTION FOR REPLACING BATTERIES
1. Removing the battery cover. 2. Take the battery housing out.
3. Replacing new batteries. 4. Batteries are well installed.
5. Installing the battery housing. 6. Reinstalling the battery
cover.

- 31 -
CAUTION:
Always connect the AC adaptor with the indicator before
connecting to the mains power supply.
Please disconnect the adaptor from main power supply before
taking out the AC adaptor pin from indicator.
INSTRUCTION FOR CHARGING AND
CONNECTING
If prompt displays on the LCD, please charge the
scale with MS 4610 & 4600 exclusive adaptor or replace the
batteries.
Locate adaptor plug-in at the back side of indicator.
- 4 -
WEIGHING OPERATION
Before reading detailed instructions on how to use all the weighing
functions that are built into your scale, please read the following
important guidelines:
Always be sure that the display shows `Zero` before use, if it
does not then please press the ZERO key.
The device is designed to detect when a stable weight is
achieved, the indicator will `bleep` twice to indicate a stable weight
value, your reading should be taken at this point.
WARRANTY-LIABILITY
If a fault or defect is present on receipt of the unit which is within
CHARDER MEDICAL’s scope of responsibility, CHARDER shall
have the right to either repair the fault or supply a replacement unit.
Replaced parts shall be the property of CHARDER. Should the fault
repairs or replacement delivery not be successful, the statutory
provisions shall be valid. The period of warranty shall be two years,
beginning on the date of purchase. Please retain your receipt as
proof of purchase. Should your scale require servicing, please
contact your dealer or CHARDER MEDICAL Customer Service.
No responsibility shall be accepted for damage caused through any
of the following reasons: Unsuitable or improper storage or use,
incorrect installation or commissioning by the owner or third parties,
natural wear, changes or modifications, incorrect or negligent
handling , overuse, chemical, electrochemical or electrical
interference or humidity, unless this is attributable to negligence on
the part of CHARDER MEDICAL.

- 5 -
 If operating, climatic or any other influences lead to a major
change in conditions or material quality, the treaty for perfect unit
functioning shall be rendered null and void. If CHARDER
provides and individual warranty, this means that the unit
supplied will be free of faults for the length of the warranty
period.
DISPOSING OF THE SCALE
This product is not to be treated as regular household waste, but
should be handed in to an electrical/electronic equipment
recycling centre.
You can obtain further details from your local council, your municipal
waste disposal company or the firm which you purchased the
product.
- 30 -
2. New Connection Description
Give new connection a name then click OK.
3. Select Your COM Port
Click Connect to select your COM port. Usually there’s only one
option for select. Then click OK.
4. Port Settings
Click Bits per second to set up rate at 9600, Data bits at 8, Parity at
None, Stop bits at 1 and Flow control at Hardware. Then click OK to
complete your setting.
5. Output Data
When the patient has been weighed and BMI calculated, simply
press the PRINT key to output data from scale to PC or an Optional
Printer.
Parameters of RS232 interface
Set parameters of the scale interface on the connected device. It is
not possible to change the scale parameters.
Baud rate: 9600 bps
Parity check: None
Data length: 8 bits
Stop bit: 1 bit
Handshake: RTS/CTS
Data code: ASCII.

- 29 -
RS232 Pin out
Connecting with PC- MS 4610 and MS 4600 both can be
connected to PC to transfer the weighing results.
1. Start Hyper Terminal
Start Hyper Terminal program from clicking
Start Menu →Programs →Accessories →Communication →
Hyper Terminal.
PIN 2--TXD
PIN 3--RXD
PIN 5
--
GND
PIN 2--TXD
PIN 3--RXD
PIN 5
--
GND
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EXPLANATION OF THE GRAPHIC SYMBOLS
SN-T13000001
Designation of the serial number of
every device, applied at the device.
(Number as an example)
“Please note the accompanying
documents“
or “Observe operating instructions”
Charder Electronic Co., Ltd.
No.103, Guozhong Rd., Dali Dist.,
Taichung City 412, Taiwan (R.O.C.)
Identification of manufacturer of
medical product including address
“Electro-medical appliance“
with attachment for type B

- 7 -
Dispose of old appliances
separately from your household
waste!l!
Instead, take them to communal
collection points.
Carefully read t
his operation manual
before setup and commissioning,
even if you are already familiar with
Charder scales.
Transport and storage temperature
limit indicating the upper and the
lower limit
(Transport and storage temperature
on packaging)
+60°C
-20°C
- 28 -
Note: To confirm the settings, please press HOLD when
displays on the display.
PRINT FUNCTION
The Weighing, BMI and Height results can be printed-out for records
using RS232 interface cable (included in accessory kit), which is
connected with the round plug at the back terminal. (MS 4600 cant
print out the results directly through printer.)
After weighing and calculating BMI simply press PRINT key to print
out the results.
The format presented below is the standard format of results print-out
and cannot be changed.

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Body Mass Index Categories
Classification of weight for adults over 18 years on the basis of Body
Mass Index according to WHO, 2000 EK IV and WHO 2004 (WHO -
World Health Organization).
MS4610 & 4600: SET-UP
MS 4610: Switch ON the scale and long press [ZERO] key for 3
seconds.
MS 4600: Switch ON the scale and long press [UNIT] key for 3
seconds.
First “SETUP” and then “A.OFF” will display successively.
AUTO-OFF TIME SETUP
This enables operator to select the auto turn OFF time of the device.
BUZZER ON/OFF SETUP
This enables operator to select beep sound ON/OFF.
Auto off time: 120 sec/180 sec/240 sec/300 sec/off
Buzzer: On/Off
- 8 -
EMC guidance and manufacturer's declaration
Guidance and manufacturer’s declaration-electromagnetic emissions
The MEDICAL SCALE MS4610 is intended for use in the electromagnetic
environment specified below.
The customer or the user of the MEDICAL SCALE MS4610 should assure
that it is used in such an environment.
Emission test Compliance Electromagnetic
environment-guidance
RF emissions
CISPR 11
Group 1 The MEDICAL SCALE
MS4610 uses RF energy only
for its internal function.
Therefore, its RF emissions
are very low and are not likely
to cause any interference in
nearby electronic equipment.
RF emissions
CISPR 11
Class B
Harmonic emissions
IEC 61000-3-2
Class A
Voltage fluctuations
/flicker emissions
IEC 61000-3-3
Compliance
The MEDICAL SCALE
MS4610 is suitable for use in
all establishments, including
domestic establishments and
those directly connected to the
public low-voltage power
supply network that supplies
buildings used for domestic
purposes.

- 9 -
Guidance and manufacturer’s declaration-electromagnetic immunity
The MEDICAL SCALE MS4610 is intended for use in the electromagnetic
environment specified below.
The customer or the user of the MEDICAL SCALE MS4610 should assure that it is
used in such an environment.
Immunity test IEC 60601 test
level Compliance level Electromagnetic environment-guidance
Electrostatic
discharge(ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood,
concrete or ceramic tile.
If floors are covered with
synthetic material, the
relative humidity should
be at least 30%
Electrical fast
transient/burst
IEC 61000-4-4
± 2kV for power
supply lines +
1kV for
input/output
lines
± 2kV for power
supply lines Not
applicable
Mains power quality
should be that of a typical
commercial or hospital
environment.
Surge IEC
61000-4-5
± 1kV line(s) to
line(s) ± 2kV
line(s) to earth
± 1kV differential
mode Not
applicable
Mains power quality
should be that of a typical
commercial or hospital
environment.
Voltage Dips,
short
interruptions
and voltage
variations on
power supply
input lines IEC
61000-4-11
<5% UT(>95%
dip in UT) for 0,5
cycle 40%
UT(60% dip in
UT) for 5 cycles
70% UT(30%
dip in UT) for 25
cycles <5%
UT(>95% dip in
UT) for 5 s
<5% UT(>95%
dip in UT) for 0,5
cycle 40%
UT(60% dip in
UT) for 5 cycles
70% UT(30%
dip in UT) for 25
cycles <5%
UT(>95% dip in
UT) for 5 s
Mains power quality
should be that of a typical
commercial or hospital
environment. If the user
of the MEDICAL SCALE
MS4610 requires
continued operation
during power mains
interruptions, it is
recommended that the
MEDICAL SCALE
MS4610 be powered
from an uninterruptible
power supply or a
battery.
- 26 -
2. MS 4600
Turn on the scale using key.
Proceed to weigh as normal.
After the weight is stable and stable sign displays on the
screen long press key for 3 seconds.
Display will change to display.
Enter the height of the person using and
key- (For example: To enter 186cm, use
key to change the number and Use key to move to next
digit).
Press key to confirm the height.
The B.M.I. will display
Press again to return to normal mode.

- 25 -
USING BMI FEATURE
For BMI calculation, height is needed, therefore it is recommended
to measure the height of subject before starting weighing procedure
and the height must be in centimeters.
1. MS 4610
Turn ON the scale using key.
Proceed to weigh as normal.
After the weight is stable and stable sign displays on the
screen press key.
Display will change to display.
Key-in the height of the person using numeric keys (0~9)
(Example: 186cm, the height should be in
centimeters).
Press , the Display will show the B.M.I. of the
person.
Press again to return to normal mode.
- 10 -
Power
frequency(50/60
Hz) magnetic
field IEC
61000-4-8
3 A/m 3 A/m The MEDICAL SCALE
MS4610 power
frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE UT is the a.c. mains voltage prior to application of the test level.
Guidance and manufacturer’s declaration-electromagnetic immunity
The MEDICAL SCALE MS4610 is intended for use in the electromagnetic
environment specified below.
The customer or the user of the MEDICAL SCALE MS4610 should assure that is
used in such and environment.
Immunity test
IEC 60601 test
level Compliance level Electromagnetic environment-guidance
Conducted RF
IEC 61000-4-6
3 Vrms
150 KHz to 80 MHz
3 Vrms
Portable and mobile RF
communications equipment
should be used no closer to any
part of the MEDICAL SCALE
MS4610 including cables, than
the recommended separation
distance calculated from the
equation applicable to the
frequency of the transmitter.
Recommended separation
distance:
d = 1,2 √P
d = 1,2 √P 80MHz to 800 MHz
d = 2,3 √P 800MHz to 2,5 GHz
Where P is the maximum output
power rating of the transmitter in
watts (W) according to the
transmitter manufacturer and d is
the recommended separation
distance in metres (m).

- 11 -
Radiated RF
IEC 61000-4-3
3 V/m 80MHz to 2,5
GHz
3 V/m
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey
a
,
should be less than the
compliance level in each
frequency range
b
.
Interference may occur in the
vicinity of equipment marked with
the following symbol:
NOTE1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE2 These guidelines may not apply in all situations. Electromagnetic
propagation is affected by absorption and reflection from structures, objects and
people.
a Field strengths from fixed transmitters, such as base stations for radio
(cellular/cordless) telephones and land mobile radios, amateur radio, AM and
FM radio broadcast and TV broadcast cannot be predicted theoretically with
accuracy. To assess the electromagnetic environment due to fixed RF
transmitters, an electromagnetic site survey should be considered. If the
measured field strength in the location in which the MEDICAL SCALE MS4610
is used exceeds the applicable RF compliance level above, the MEDICAL
SCALE MS4610 should be observed to verify normal operation. If abnormal
performance is observed, additional measures my be necessary, such as
re-orienting or relocating the MEDICAL SCALE MS4610.
b Over the frequency range 150 kHz to 80 MHz, field strengths should be les than
3 V/m.
- 24 -
The instrument will make flash
and beep sound and will display
the saved Pre-Tare Weight.
C. RECALL PRE-TARE VALUE
DESCRIPTION EXAMPLE
Long press PRE-TARE key for 3
seconds; the display will show
the blinking m sign.
Press numeral key 1 ~ 5 to choose pre-tare value
Press ENTER key to confirm the
pre-tare weight; the instrument
will automatically perform tare
function.
Press PRE-TARE key to return
to Normal Mode.

- 23 -
B. Enter Weight Using 0~9 Keys:
DESCRIPTION EXAMPLE
Press PRE-TARE key, and the
extreme left digit will blink.
Enter PRE-TARE weight using
0~9 keys. For example: 10kg
Press ENTER key to confirm the
pre-tare weight; the display will
show the minus sign on left of
the pre-tare weight value.
Press M1-5 key; the blinking m
sign will appear on the display.
Press numeral key 1 ~ 5 to
assign the position to pre-tare
weight.
- 12 -
Recommended separation distance between portable and mobile RF
communications equipment and the MEDICAL SCALE
The MEDICAL SCALE MS4610 is intended for use in an electromagnetic
environment in which radiated RF disturbances are controlled. The customer or
the user of the MEDICAL SCALE MS4610 can help prevent electromagnetic
interference by maintaining a minimum distance between portable and mobile
RF communications equipment (transmitters) and the MEDICAL SCALE
MS4610 as recommended below, according to the maximum output power of
the communications equipment.
Separation distance according to frequency of transmitter m
Rated maximum output
power of transmitter
W
150 kHz to 80 MHz
d =1,2√P
80 MHz to 800 MHz
d =1,2√P
800 MHz to 2,5 GHz
d =2,3√P
0,01 0,12 0,12 0,23
0,1 0,38 0,38 0,73
1 1,2 1,2 2,3
10 3,8 3,8 7,3
100 12 12 23
For transmitters rated at a maximum output power not listed above, the
recommended separation distance d in metres (m) can be estimated using the
equation applicable to the frequency of the transmitter, where p is the maximum
output power rating of the transmitter in watts (W) according to the transmitter
manufacturer.
NOTE1 At 80 MHz and 800 MHz, the separation distance for the higher
frequency range applies.
NOTE2 These guidelines may not apply in all situations. Electromagnetic
propagation is affected by absorption and reflection from structures, objects
and people.

- 13 -
SPECIFICATION
Model
MS4610
(APPROVAL) MS 4600 (Non-Approval)
Capacity
300kg x
0.1kg
200kg x
0.05kg<150kg>0.1kg
660lb x 0.2lb
300kg x
0.1kg
Weight Unit
kg lb / kg
LCD Display
1.0 inch LCD display with 5 and 1/2 digits
Dimension Platform size: 340 x 450 mm
20 keys version
ON/OFF, PRINT, BMI,
HOLD,PRE-TARE,TARE,
CLEAR, ENTER, 0~9,
M1-5, (zero)
Key
Functions
4 keys version
ON/OFF , (zero)
HOLD/BMI , TARE
4 keys version
ON/OFF, UNIT,
HOLD/BMI, TARE
Power
Supply
6-AAA size
batteries
AC-Adaptor 12~
15V
6-AAA size
batteries
AC-Adaptor
12~15V
Operation
Temperature
5℃ / 35℃
- 22 -
MS 4610- STORING AND RE-CALLING PRE-TARE
WEIGHT
MS 4610 can store 5 sets of pre-tare values, and there are two
methods to store pre-tare value – Using Dead Weight or Enter
weight using 0~9 keys:
A. Using Dead Weight:
DESCRIPTION EXAMPLE
Press M1-5 key after loading the
weight; the display will show
blinking m sign.
Press numeral key 1 ~ 5 to
assign the position to pre-tare
weight. For Example- Press 1 to
assign position-1 to preset tare
weight.
The display will blink and make
beep sound.
NOTE: You can
NOTE: You can NOTE: You can
NOTE: You can assign any other position (f
assign any other position (fassign any other position (f
assign any other position (from 1~5)
rom 1~5)rom 1~5)
rom 1~5) to pre
to pre to pre
to pre-
--
-tare
tare tare
tare weight
weightweight
weight.
..
.

- 21 -
USING TARE FUNCTION
Tare allows the user to zero the instrument to deduct the excess
weight of contained objects/person from the reading of the
instrument, thus giving the true weight of the object/ person being
tested.
Place the container object for tare onto the tread platform.
Press [TARE] key after the weight stabilizes and stable sign
displays.
Place the object/person to be weighed (without removing the
tare object) onto the platform for correct weighing results to be
displayed.
To delete the saved tare value, remove the tare object from the tread
platform and press [TARE] key.
- 14 -
MEDICAL SCALE MODELS APPROVAL LIST
The Medical Scales MS4610 listed below are the certified
models under the Council Directive 2007/47/EC for standard of
safety, health protection and accurate metrolo y characteristics
of medical scales:
PROD CT
DESCRIPTION
PROD CT MODEL NO. CLASS
Medical Scale
MBF4610, MBF6010, MS21Neo, MS2320,
MS2501, MS3800, MS4610, MS4940, MS5410,
MS5710, MS3700-1, MS4900, MS5810,
MS5811, MS2350, MS2504, MS3830, MS3910,
MS4640, MS4910, MS5440, MS5730, MS6001,
MS5900, MS4200, MS4202L, MS2400,
MS3500, MS4400, MHS2500, MHS2600,
MHS2510, MHS2610, MS21neoV, MS4610,
MS6111, MS6110, MS4201
Im
Hei ht
Measurement
HM-80P , HM-80M , HM-200P , HM-200PW ,
HM101M, HM110M, HM201M, HM230M,
HM202P
Im

- 15 -
PANEL
MS 4610 20 key version
4 key version
MS 4600 (non-approval version)
- 20 -
Switch on the scale using [ON/OFF] key. The diagnostic
self-checks will be performed and ready for weighing function to
begin with “0.0 kg” weighing value displays on the screen.
Place object/ person onto the center of the scale platform.
Press the [HOLD] key, the triangle signal will prompt on the LCD
screen, indicating the scale is calculating the average weight
value and the weight result will be displayed on the LCD screen .
Remove the object/ person from the scale platform. The weight
value will remain on the display.
Press the [HOLD] key again to disable HOLD function and back
to normal weighing mode.
HOLD key function can be enabled before or after putting the
weight onto the scale platform. But in case of highly unstable
and weight is moving away from on the platform before the
HOLD function stabilized, it is recommended to press HOLD key
before the person moves on the tread platform.
(1)
(2)

- 19 -
USING SCALE
WEIGHING
Switch on the scale by press the key. The diagnostic scale
will start self-check and the software version will be displayed.
The weighing value “0,00 kg” is displayed on the screen, now the
scale is ready to perform weighing functions.
Note: If “0,00 kg” is not displayed on the screen, press key
to zero the scale, can be used at any time to zero the scale.
Place the person onto the middle of the scale platform. Wait until
the scale is stabilized and stable sign (ο) will show on the screen
Note:
If a person is heavier than the maximum scale capacity, the display
will prompt the “Err” message (= overload warning message).
USING HOLD FUNCTION
MS 4610 & 4600 are provided with the integrated ‘hold’ function
(Weighing calculation based on average value). It enables people to
be weighed accurately even when they are not able to stand still on
the scale platform. When under normal weighing mode, press
HOLD key, the weighing value will remain on the LCD screen after
the weight is removed from the scale so the weight reading can
easily be preserved for other recording purposes.
Note:
Weighing calculations of average value will be incorrect when the
weight is constantly moving away and highly unstable on the platform
before the stable signal prompt for the stabilized status.
- 16 -
KEY FUNCTION
MS 4610
Key Description
ON/OFF Turn ON/OFF the scale 4keys / 20keys
PRINT Data transmission via PC (Weight , BMI , Height)
BMI Determine Body Mass Index
HOLD To hold weighing result on the display / determine
stable weighing value
To reset the display to 0.0kg display / Zero the scale
(±2% of full capacity) 4keys / 20keys
M1-5 To store 5 pre-tare values. refer to page 14
PRE-TARE
Deducting weight before measuring.
TARE Tare weight during weighing process
. 4keys / 20keys
CLEAR To clear the wrong entry while entering digits.
ENTER To confirm the performing functions.
0-9 Entering digits
HOLD/BMI To hold weighing result on the display / determine
stable weighing value , to determine Body Mass Index
only on 4 keys version

- 17 -
MS 4600
Key Description
4 keys version
ON/OFF Turn ON/OFF the scale
UNIT To select the weighing unit. (kg/lb)
To hold weighing result on the display / determine
stable weighing value
HOLD/BMI
Long press for 3 seconds, to determine ‘Body Mass
Index’
TARE Tare weight during weighing process.
- 18 -
LCD DISPLAY SYMBOLS
Definitions
Stable symbol: To indicate that the weight is stable..
Minor weight: Weight under zero.
Zero symbol: Weight is at zero point.
Low battery: Battery need to charge or replaced
PRE-TARE Indication
kg
BMI Indication
NET WEIGHT I
ndic
at
ion
WEIGHT Indication
Hold Indication
Stable symbol
Minor weight
Zero symbol
Low Battery