Virtual Measurements & Control VW-312 User manual

ELECTRONIC KITCHEN SCALE
VW-312
INSTRUCTION MANUAL
USA ASIA
Virtual Measurements & Control, Inc. Virtual Measurements & Control (Asia) Pte Ltd
1040A N. Dutton Ave, Santa Rosa, CA 95401 24 Hillview Terrace, Singapore 669235
Tel: [phone] Fax: [phone] Tel: [phone] Fax: [phone]
http://www.virtualmc.com [e-mail]

INSTRUCTION MANUAL
Introduction
In order to ensure proper application and longer lifetime of unit, please read through this
manual before operation.
Package content
Please ensure that the unit in package matches illustration below:
Features/Specifications:
1. Max. Weight Capacity: 5kg/11lb
2. Division: 1g/0.05oz
3. kg/g/lb switchable
4. LCD main digit size: 13mm
5. Auto-Zero, Auto-Off
6. Overload indication: ‘HHHH’
7. Low battery power indication
8. Power: 1 x 9V alkaline battery (not included)
LCD Segments/Icons illustrations
Weight displayed in
kg unit icon
Weight displayed in
gram unit icon
O
ptional icon for othe
r
unit expression
Weight displayed in
lb/oz unit expression
Low battery power icon
Negative value icon
Active Tare
function icon
Inactive tare zero
weight icon

Initial preparation:
1. Install a 9V alkaline battery to the battery compartment at bottom of the unit.
2. Place the unit on a dry, flat and solid ground surface, ensure that the unit is stable.
OPERATION
1. Press ON/OFF button to turn on the unit.
2. LCD will light up showing all segments with prompt showing ‘0g’
3. Press UNIT button to set weighing unit e.g. kg, gram or lb.
4. Ensure the unit is stable and display showing zero before weighing. Keep the
platter dry.
5. You can start weighing now. Always place object to be weighed at the center of
the platter.
6. Wait for LCD to stabilize. The reading shown on LCD will indicate the proper
weight value of the object you are weighing.
Battery compartment
Glass top weighing platform
LCD display
On / Off button
Zero / Tare button
kg / g / lb selection button

TARE Function
You can do consecutive addition weighing without removing the weighing mass already
placed on the platter. Each time before adding additional object, simply press Z/T button
once, it will conduct tare function to return the LCD to zero. Then place new additional
object to the plate, LCD will weigh and indicate only the net weight of the added object.
When tare function is activated, LCD will show icon ‘TARE’ on the side. When removing
object from platter, LCD will show the negative (-ve) value of the object being removed.
Note: Allowance for tare function = 0.8% of full capacity without reconciliation.
When total tare weight exceeded 0.8% of full capacity, the full capacity will reduce by the
corresponding weight being tare.
Auto-Off & Key Off
When weighing is completed, simply press ON/OFF button to turn off the unit. Or simply
leave the unit idle as it will automatically shut down by itself after 2 minutes when there is no
further weighing activity.
Maintaining and Cleaning (Proper Usage)
1. As the unit is a high precision device, it is very delicate and extremely sensitive.
Avoid dropping the unit or subject it to high impact which will greatly damage its
function and accuracy.
2. When operating the unit, please press the button slightly to activate function. Do
not exert too much force when pressing the button, or use sharp pointed object to
press the button.
3. Use a dry, soft fabric or a lightly damp soft fabric with mild detergent to clean the
device. Do not use strong chemical solution such as alcohol or benzene for
cleaning.
4. Avoid exposing the unit to high ambience temperature like near a cooking stove
or burning flame as it will cause the unit to degrade faster.
5. Do not expose the unit to high electro-magnetic field like cordless portable phone,
computer, transformer, etc. as this will interfere with the proper function of
electronics and accuracy of the scale.
6. Always weigh/use the scale on a hard flat surface. Do not use on carpets or mats.
7. Do not insert any exterior objects into any openings on the unit.
8. Remove the battery from the unit if not in use for a long time. Store in cool and
dry place.
9. Do not attempt to open the unit to fix or repair the unit. This will invalidate the
guarantee.
10. If unit fails to turn on, check for proper installation of battery and battery life.
Alternatively, you can contact your dealer for consultation.
11. If error appears on display or unit fails to turn off for a long time, please take off
the battery for about 3 seconds and encase it back again to eliminate the fault.