My Weigh VHD User manual

ENGLISH
Thank you for purchasing the My Weigh® VHD™Heavy Duty scale. Please read all operating instructions carefully before use. This electronic scale is a precision
instrument.With normal care and proper treatment, it will provide years of reliable service. For more information please visit www.myweigh.com
Never load the scale with more than the maximal capacity. Although the My Weigh®VHD™is designed to be extremely durable with extra overload protection built
into the case, overloading will permanently damage it! Avoid any exposure to extreme heat or cold, your scale works better when operated at normal room
temperature. Keep your scale in a clean environment. Dust, dirt, moisture, vibration, air currents and/or a close proximity to other electronic equipment can all cause
an adverse eect on the reliability and accuracy of your scale. Handle with care. Gently apply all items to be weighed onto tray top. Avoid shaking, dropping or
otherwise shocking the scale. Scales are delicate instruments and unlike cellular phones, scales have delicate sensors that determine how much an item weighs. If
you drop or shock your scale, these sensors“feel”the shock and are sometimes destroyed. This happens with all digital scales. We design our scales to be as resistant
to shock or drops as possible, however there is no way for us to protect 100% against load cell or sensor damage.
Failure to follow these instructions will void your warranty.
Always allow the scale to acclimate to normal room temperature for at least one hour before use. Give your scale sucient warm up time. Usually 30-60 seconds
before calibration to give the internal components a chance to stabilize.
POWER SUPPLY
The MyWeigh®VHD™scale was designed to run with DC9V 600mA adaptor or optional 6x AA batteries.The AC adaptor plugs into the socket on the back of the scales
weighing indicator. If you want to use batteries, please install them in the battery compartment on the back of the indicator.
Battery Installation
For battery installation, lift and open the battery cover, remove and/or install the batteries. Be sure that the batteries are installed correctly following the polarity
indicators in the battery compartment. Reinstall the battery cover.
OPERATION INSTRUCTIONS
Only operate the scale on a at, level surface that is stable and durable enough to support the scale and the items being placed on the scale.
Press the [ON/OFF] switch at the back of the indicator to turn on the scale. When the power is turned on, the scale will countdown for a few seconds and "0.00" will
appear on the display.
To begin weighing, follow these steps:
1. Press the [UNIT] key to change the weighing unit between kg , lb, oz.
2. Press the [TARE] key to tare the scale.
Tare can be used for eliminating the weight value of an empty container. Place an empty container on the scale and press [TARE]. Then place the items to be weighed
in the container. NOTE: When all weight is removed from the weighing tray, the tared value of a container will be displayed as a negative number. Press [TARE] again
to return the scale to zero.
3. Press [HOLD] to hold current weight reading, press [HOLD] again to cancel.
4. [ZERO] is used to zero the scale, if at the time there is no weight on the platform but the display is not“0.00”.
Capacity:
300kg x 0.1kg
660 lb x 0.2 lb
10582 oz x 5 oz

CALIBRATION
Calibration may be required when the scale is rst set up for use, or if the scale is moved to a dierent altitude or new location. This is necessary because the weight
of a mass in one location is not necessarily the same in another location. Also, with time and use, mechanical deviations can occur.
How to calibrate **you must have an accurate 200kg weight or combination of weights in order to calibrate**
1. From the o setting press & hold the [ZERO ] & [TARE] buttons and turn on the scale. Release both keys when the display shows“CAL”and an AD value.
2. Press the [TARE] key, the display will show the calibration weight“200kg”.
4. Place the correct calibration weight on the centre of the platform and press [TARE].
5. The display will show the A/D value and return return to weighing mode.
6. Remove the weight. Verify the scale is calibrated correctly. Repeat the process, if necessary.
AUTO OFF / BACKLIGHT SETTINGS
TheVHD allows you adjust the default settings of the scale.
Programming Auto-O Time
1. Press and hold [HOLD] (do not release). Turn on the scale, release when the display shows the auto-o time setting
2. Press [ZERO] to toggle auto-o settings:
i) A-120=120 seconds.
ii) A-180=180 seconds.
iii) A-300= 300 seconds.
iv) A-OFF = Auto-o is disabled.
3. Press [HOLD] to enter backlight setting mode or turn the scale OFF and ON to return to normal weighing mode.
Adjusting Backlight Setting
4. The display will show settings “L-Auto, L-ON, L-OFF or L-STB”.
5. Press [ZERO] to toggle the settings:
i) AUTO= backlight enabled when weight is placed on platform.
ii) ON= backlight is on constantly.
iii) OFF= backlight is disabled.
iv) STB= backlight turns o if scale is not in use for more than 60 seconds.
6. Turn the scale OFF and ON to return to normal weighing mode.
USB DATA TRANSMISSION
USB Transmission Agreement:
• Mode :Simplex Asynchronous Serial
• Baud rate :9600
• Data Bit :8
• Parity Bit :NONE
• Stop Bit :1
• Data Format :ASCII
Transmission Information Format :20 Byte ，blank=20H
M=Overload Mode
W= Normal Weighing Mode
: = Weight Information
WEIGHT INFORMATION UNIT INFORMATION
Example: 50kg

DISPLAY
DISPLAY SYMBOLS
Scale is in the ZERO mode
Reading is stable
Battery is low
Scale is in TARE mode
kg, lb, oz
Units
Capacity
SPECIFICATIONS
O, 120, 180, 300 seconds
220mm x 80mm x 40mm / 8.5” x 3”x 1.5”
6 x AA batteries / DC9V 100mA
Optimum 10-40°C (50-104°f)
300kg x 0.1kg
660 lb x 0.2 lb
10582 oz x 5 oz
Auto-OFF
Scale dimension
Scale weight
Indicator dimension
Up to scale’s maximum capacity
Tare range
Operating temperature
Power Source
900mm x 600mm x 50mm / 35.5” x 23.5” x 2”
20kg
BATTERY COMPARTMENT ON/OFF SWITCH
USB PORT
AC ADAPER PORT
INDICATOR

ENGLISH
Thank you for purchasing the MyWeigh®VHD3folding scale. Please read all operating instructions carefully before use.This electronic scale is a precision instrument.
With normal care and proper treatment, it will provide years of reliable service. For more information please visit www.myweigh.com
Never load the scale with more than the mximum capacity. Although the My Weigh®VHD3is designed to be extremely durable with extra overload protection built
into the scale, overloading will permanently damage it! Avoid any exposure to extreme heat or cold, your scale works better when operated at normal room
temperature. Keep your scale in a clean environment. Dust, dirt, moisture, vibration, air currents and/or a close proximity to other electronic equipment can all cause
an adverse eect on the reliability and accuracy of your scale. Handle with care. Gently apply all items to be weighed onto tray top. Avoid shaking, dropping or
otherwise shocking the scale. Scales are delicate instruments and unlike cellular phones, scales have delicate sensors that determine how much an item weighs. If
you drop or shock your scale, these sensors“feel”the shock and are sometimes destroyed.This happens with all digital scales. We design our scales to be as resistant
to shock or drops as possible, however there is no way for us to protect 100% against load cell or sensor damage.
Failure to follow these instructions will void your warranty.
Always allow the scale to climatize to normal room temperature for at least one hour before use. Give your scale sucient warm up time. Usually 30-60 seconds before
calibration to give the internal components a chance to stabilize.
POWER SUPPLY
The MyWeigh®VHD3scale was designed to run with DC9V 300mA adapter or optional 6 x AA batteries. The AC adapter plugs into the socket on the back of the scales
weighing indicator. If you want to use batteries, please install them in the battery compartment on the back of the indicator.
Battery Installation
For battery installation, lift and open the battery cover, remove and/or install the batteries. Be sure that the batteries are installed correctly following the polarity
indicators in the battery compartment. Reinstall the battery cover.
OPERATION INSTRUCTIONS
Only operate the scale on a at, level surface that is stable and durable enough to support the scale and the items being placed on the scale. Press the [ON/OFF]
switch at the back of the indicator to turn on the scale.When the power is turned on, the scale will countdown for a few seconds and "0.00" will appear on the display.
To begin weighing, follow these steps:
Press the [UNIT] key to change the weighing unit between kg , lb, st, st:lb. Place the item you are weighing on the scale and the indicator will display the weight.
Tare Function
Tare can be used for eliminating the weight value of an empty container. If you wish to use a container place the empty container on the scale and press [TARE]. Once
the TARE button is pressed you will notice the display changes from gross weight to net weight this simply conrms that Tare is active. Then place the items to be
weighed in the container. NOTE: When all weight is removed from the weighing tray, the tared value of a container will be displayed as a negative number. Press
[TARE] again to return the scale to zero.
Hold Function
Press [HOLD] to hold current weight reading, press [HOLD] again to cancel.
Zero Function
[ZERO] is used to zero the scale, if at the time there is no weight on the platform but the display is not“0.0”.
Capacity:
300kg x 0.1kg
660 lb x 0.2 lb
47st 3lb x 0.2lb
47.25 st x 0.015 st

CALIBRATION
Calibration may be required when the scale is rst set up for use, or if the scale is moved to a dierent altitude or new location. This is necessary because the weight
of a mass in one location is not necessarily the same in another location. Also, with time and use, mechanical deviations can occur.
Standard Calibration
For this calibration method you must have an accurate 200kg weight or combination of weights in order to calibrate.
1. From the o setting press & hold the [ZERO ] & [TARE] buttons and turn on the scale. Release both keys when the display shows“CAL”and an AD value.
2. Press the [TARE] key, the display will show the calibration weight“200kg”.
3. Place the correct calibration weight on the center of the platform and press [TARE].
4. The display will show the A/D value and return to weighing mode.
5. Remove the weight. Verify the scale is calibrated correctly. Repeat the process, if necessary.
Any Weight Calibration
For this calibration method you can select the weight and unit in which to calibrate the scale. For best accuracy we recommend a minimum weight of 20kg.
1. From the o setting press & hold [ZERO] and turn on the scale. The display will show“SET”(Do not release zero).
2. While holding [ZERO] press [UNIT] 3 times. Release [ZERO]when the display will shows “CAPu”.
3. Press [ZERO] twice and when the display shows“CALu”, press [UNIT] to enter the weight unit menu.
4. Press [TARE] to select the calibration unit of lb or kg. Press [ZERO] to conrm, the display will show“CALu”.
5. Press [ZERO] again the display will show“CAL”. Press [UNIT] to enter the calibration weight set menu.
6. The display will show“x0000”, press [HOLD] to move the ashing digit to the right and [TARE] to increase. Press [ZERO] to conrm the selection. (The calibration
weight should be a minimum of 20kg). The display will show“CAL”.
7. Press [TARE] the display will show the AD value (a series of random numbers). Press [TARE] again when the stable indicator shows.
8. The display will ash the selected calibration weight. Place the correct calibration weight on the center of the platform and press [TARE] when the stable indicator
shows.
9. The display will show“-----”and the AD value. Calibration is complete.
10. Remove the weight. Turn the scale o and on. Verify the scale is calibrated correctly. Repeat the process, if necessary.
AUTO OFF / BACKLIGHT SETTINGS
TheVHD3 allows you adjust the default settings of the scale.
Programming Auto-O Time
1. Press and hold [HOLD] (do not release). Turn on the scale, release when the display shows the auto-o time setting
2. Press [ZERO] to toggle auto-o settings:
i) A-120=120 seconds.
ii) A-180=180 seconds.
iii) A-300= 300 seconds.
iv) A-OFF = Auto-o is disabled.
3. Press [HOLD] to enter backlight setting mode or turn the scale OFF and ON to return to normal weighing mode.
Adjusting Backlight Setting
4. The display will show settings “L-Auto, L-ON, L-OFF or L-STB”.
5. Press [ZERO] to toggle the settings:
i) AUTO= backlight enabled when weight is placed on platform.
ii) ON= backlight is on constantly.
iii) OFF= backlight is disabled.
iv) STB= backlight turns o if scale is not in use for more than 60 seconds.
6. Turn the scale OFF and ON to return to normal weighing mode.

DISPLAY
kg, lb, st, st:lbUnitsCapacity
SPECIFICATIONS
O, 120, 180, 300 seconds
220mm x 80mm x 40mm / 8.5” x 3”x 1.5”
6 x AA batteries / DC9V 300mA
Optimum 10-40°C (50-104°f)
Auto-OFF
Scale dimension
Scale weight
Indicator dimension
Up to scale’s maximum capacity
Tare range
Operating temperature
Power Source
920mm x 560mm x 50mm / 36” x 22” x 2”
18kg
WEIGHT INFORMATION UNIT INFORMATION
Example: 50kg
BATTERY COMPARTMENT ON/OFF SWITCH
USB PORT
AC ADAPTER PORT
INDICATOR
DISPLAY SYMBOLS
Scale is in the ZERO mode
Reading is stable
Battery is low
Scale is in TARE mode
USB DATA TRANSMISSION
Transmission USB:
• Mode :Simplex Asynchronous Serial
• Baud rate :9600
• Data Bit :8
• Parity Bit :NONE
• Stop Bit :1
• Data Format :ASCII
Transmission Information Format :20 Byte ，blank=20H
M=Overload Mode
W= Normal Weighing Mode
: = Weight Information
300kg x 0.1kg
660 lb x 0.2 lb
47st 3lb x 0.2lb
47.25 st x 0.015 st