USER MANUAL
For all M-4xx models
Please keep the instruction manual at hand all the time for future reference.
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TABLE OF CONENTS
INTRODUCTION ................................................................................... 2
POWER SUPPLY & LOW BATTERY ............................................. 4
SPECIFICATIONS ................................................................................. 5
POWER SUPPLY ................................................................................... 6
TIME SETTING-M-4xxBT series only ................................................. 11
SETTING BLUETOOTH FUNCTION – only for the case of the
scales with the Bluetooth module plugged in. ............................................ 13
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INTRODUCTION
Thank you for purchasing a Marsden Professional Medical Scale.
This is a precision Class III Weighing Instrument and it will reward
considerate use with many years of accurate weighing results
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:
Don’t leave the baby unattended on scale.
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.
These batteries should be kept away from small children. If swallowed,
promptly seek medical assistance.
Expected Service Life: 5 years
If you have any problem, contact your local service partner.
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
service partner
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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
Explanation of the graphic symbols
This EEC verification mark indicates that
these scales are in conformity with EEC
Directive 2009/23/EC for Non-Automatic
Weighing Instruments. Weighing instruments
bearing this mark are approved for medical
purposes within the European Union.
SN-21300100
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”
“Electro-medical appliance“
with attachment for type B
Device protection category II
Dispose of old appliances separately from
your household waste!l!
Instead, take them to communal collection
points.
Carefully read this operation manual
before setup and commissioning, even if
you are already familiar with Marsden
scales.
4
These instructions apply to both the M-4XX series. The
difference between the two models being only in the shape of
the top cover and, an additional USER FRIENDLY <TAP ON>
function is supplied on the M-420 and M-430.
The M-400 and M-410 come complete with a plastic baby tray.
The M-420 and M-430 are intended for older children and adults
only - no baby tray is supplied.
User Keys – The M-400 has 3 function keys consisting of
ON/ZERO/OFF, HOLD and TARE
The M-410, M-420 and M-430 have 4 function keys consisting of 2 x
ON/ZERO/OFF/-and HOLD/BMI and TARE/+
You may choose the M-4xx with Bluetooth function. Please
contacting with MARSDEN for more details, if interested.
POWER SUPPLY & LOW BATTERY
1. The M-400, M-410, M-420 and M-430 scales can be run from six
‘AA’ alkaline batteries or can be connected directly to the mains
power supply using the included mains power adaptor.
2. (Low battery indication) will display on the scales LCD
display when the battery power is insufficient to power the scale.
3. When is displayed, please replace the 6 alkaline
batteries
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SPECIFICATIONS
All are Class III approved weighing devices
MODEL
No
M-400
(BT)
M-410
(BT)
M-420
(BT)
M-430
(BT)
Capacity/
Division
0~10 kg x 5g
10~20kg x 10g
0~20kg x 10g
20~50kg x 20g
0~100kg x 50g
100~200kgx100g
BMI
220kg x 200g
BMI
No
Yes
Yes
Yes
Baby Tray
Yes
Yes
No
No
Tap-on
Function
No
No
Yes
Yes
Bluetooth
Optional
Optional
Optional
Optional
Units of
Measure
kg
Function keys
ON/ZERO/OFF, HOLD, TARE
Stabilisation
Time
1-2 seconds
Operating
Temp.
0°C - 40°C
Transport and
storage
temperature
- 20°C … + 60°C
Power supply
Six AA size alkaline batteries or
Mains Adaptor (Output: 12V 300mA or 12v 1A)
Indicator
display
1.0” LCD display with 5 active digits
Remote
Display
No
No
Yes
No
Dimensions
(w x d x h)
Base: 340 x 330 x 50 mm
Baby Tray: 585 x 280 x 120mm
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POWER SUPPLY
The scales use six "AA" size alkaline batteries for operating. The
battery is contained in a cavity inside the scale. Access is via a
removable cover on the rear of the scale, as shown below.
INSTALLING THE BATTERY
Remove the batteries if no use for a longer time.
CONNECTING THE MAINS POWER SUPPLY
Only use the AC Adapter supplied by Marsden for this unit.
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FUNCTION KEYS-note some are multi function dependent on
the mode of the scale
ON/ZERO/OFF/-
1. Press this key to power up the scale, the display will go to
0.00kg (The M-420 & M-430 also supports the TAP ON
function, please refer to page 9)
2. M-410/M-420/M-430 Pressing the Single ON/OFF/ZERO key
on the opposite side of the display will cause the scales
display to reverse, therefore the display can be set to be
viewed by the patient or the operator
3. If the scale shows a figure other than 0.00kg with no weight
applied then press the ON/ZERO/OFF key once to Zero the
display.
4. Press and Hold the ON/ZERO/OFF key to switch off the scale.
5. This is also the – key to press to reduce the height reading in
BMI mode
Note: The scale has a built in Battery save function that will switch off the
scale after a period of inactivity, usually around 60 seconds.
M-410, M-420 and M-430 Only
8
HOLD/BMI
1. When weighing a patient, press the Hold key once and the
scale will ‘lock’ onto the patients weight once a stable reading
as been taken.
2. Press the Hold key again to release the display.
3. This is also the key to use for BMI readings - See section on
BMI readings.
TARE/+
1. The Tare key can be used to Zero the weight of any
unwanted item, example – When weighing a baby it is normal
for some paper towels or similar to be placed onto the scale,
press the Tare key once and the weight of the paper towels
will be zeroed off.
2. After weighing the baby, remove the paper towels and press
Tare again to cancel the tare value and return to Zero.
3. This is also the key to use to increase the height reading in
BMI mode
BMI (if fitted)
1. After the patient stands on the scale, press and hold the BMI
key for 3 seconds.
2. The scale will enter Height entry mode.
3. Use the +/- keys to adjust the display to the patients height in
centimeters.
4. Press the BMI key once and the patients BMI result will be
shown on the display.
5. Press the BMI key once again to return to normal weighing
mode.
9
Remote Display - M-420 Only
All of the M-420 has a socket on the base of the scale that allows a
remote display unit to be fitted. (See picture) The remote display
has its own on/off button.
It takes its power from the scale so no additional batteries or power
supplies are required.
This remote display can be wall mounted or more usually placed on
a desk to provide a discreet display of weight for the person carrying
out the weighing procedure.
Socket for the remote
display connecting.
The ON/OFF button
for remote display.
10
TAP-ON FUNCTION-M-420 & M-430 only
The M-420 & M-430 also could be started by <TAP ON>.
Slightly short press the platform till the scale display “0.00kg”.
The direction of display could be reversed by pressing the
ON/ZERO/OFF button when the scale is under the “0.00kg” status.
11
TIME SETTING-M-4xxBT series only
Re-setting the time is highly recommended if the time
zone is different from the originally supplied and this
information to be used at your application.
Related Keys
SETTING DIAGRAM
HOLD key means “select” ( )
TARE key means “enter” ( )
Press TARE 3sec
Hold ： →
Tare ： +
On/Off：↵
0.0
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EXAMPLE: Input Jan. 2, 2013, 10:00am.
Workflow
Display
Long press TARE key for 3 seconds to enter the
SETTING mode and then displaying the A_OFF
menu.
A_OFF
Press HOLD key twice. And then press TARE key
once to enter the date setting menu.
Enter year mode by pressing TARE key. Press
HOLD key for move to next digit then TARE key to
increase the value)
Press ON/ZERO/OFF key after finishing the job and
enter the date mode.
2013
Press HOLD key for move to next digit then TARE
key to increase the value)
Press ON/ZERO/OFF key after finishing the job and
enter the time mode.
01.0
2
(Month. Date)
Press HOLD key for move to next digit then TARE
key to increase the value)
Press ON/ZERO/OFF key after finishing the job.
10:0
0
Press HOLD once, return to the upper flowchart.
Press TARE key, return to normal mode.
13
SETTING BLUETOOTH FUNCTION – only for
the case of the scales with the Bluetooth module plugged in.
Workflow
Display
Long press TARE key for 3 seconds to enter the
SETTING mode and then displaying the A_OFF
menu.
A_OFF
Press HOLD key. And then press TARE key once to
enter the Bluetooth setting mode.
Press HOLD key to select “ON” (enable) or “OFF”
(disable).
Press TARE key to confirm the setting.
Note: Disable the Bluetooth function will be
helpful to save the power consumption when the
Bluetooth is useless.
Press HOLD twice.
Press TARE key, return to normal mode..
14
INSTALL THE TRAY
1. Install the tray to the proper location.
Note: make sure that the weighing tray is installed properly and at the
right position.
2. Install the tray at the proper location and tighten the screws on both
sides.
15
3. Assembly finished.
16
ERROR MESSAGES
1. Low Battery
2. Over Load
3. High/Low Zero Count
4. Low Zero Count
This indicates that the scales load
sensor/s have been overloaded, recalibration may fix this problem but it
usually indicates a faulty load sensor
1) The scale is above its Zero Range,
remove any weight on the scales
and try to power on again. If the
scale still shows the error message
then it indicates a fault with the
scales electronics.
2) The scale is below its Zero range,
check there is nothing jammed
underneath the scale and try to power
on again, if the scale still shows the
error then it indicates a fault with the
scales electronics
The scales alkaline AA type batteries
are flat.
Replace the batteries with new ones
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R
OHS COMPLIANCE
EU Directive 2002/95/EC restrict the use of the 6 substances below
in the manufacture of specified types of electrical equipment.
The product does not contain any of the restricted substances
in concentrations and applications banned by the directive;
and for components, the product is capable of being worked on
at higher temperatures required by lead-free soldering.
The restricted substances and maximum allowed concentrations in
the homogenous material are, by weight:
Substance
Concentration
Lead
0.1%
Mercury
0.1%
PBB (Polybrominated Biphenyls)
0.1%
PBDE (Polybrominated Diphenyl Ethers)
0.1%
Hexavalant Chromium
0.1%
Cadmium
0.01%
PRODUCT CONFO
RMITY
This product has been manufactured in accordance with the
harmonized European standards, following the provisions of the
below stated directives:
2009/23/EC – Non Automatic Weighing Instrument Directive
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IN-1248[13070A] 10/2013
FREEPHONE NUMBER: 0800 169 2775
HEAD OFFICE:
SALES, SERVICE,
MARKETING
AND ACCOUNTS
UNIT 1
GENESIS BUSINESS PARK
SHEFFIELD ROAD
ROTHERHAM
S60 1DX
TELEPHONE:
0845 130 7330
FAX:
0845 1307440
DESPATCH AND
PRODUCTION
Unit 7
CENTURION BUSINESS PARK
COGGIN MILL WAY
ROTHERHAM
S60 1FB
TELPHONE:
0845 130 7330
FAX:
0845 130 7440
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