Velleman VTBAL11 - Manual (Page 4)

VTBAL11
V. 01 – 08/03/2013 4 ©Velleman nv
6. Operation
 Open the plastic cover and place the scale on a flat, steady
vibration-free surface and.
 Press the On/Off button [F] to switch on the scale. After
initialization, the LCD display [D] shows the stable measurement
indication [A] and the zero weight indication [B].
 Select the desired weighing unit (gram, carat, pennyweight or
grains) by pressing on the mode button [G]. The selected unit is
shown on the display [C].
 Place the weight on the balance as close to the centre as possible.
Wait until the measurement is stabilized ([A]), and read the
weight on the display.
 When tare needs to be subtracted, place the tare weight on the
scale and wait until the measurement is stabilized. Press the tare
button [E] to reset the scale to zero; the word ‘ZERO’ [B] is
indicated on the display.
 Note that the scale has an auto-power off function. The scale will
switch off after ±60 seconds when no activity is detected.
 To calibrate the scale, a weight of exactly 500g (or 2500 carat,
321.5075 pennyweight) is needed.
 Press and hold the mode button [G] until the word ‘CAL’ flashes.
Put down the calibration weight and wait until the word ‘PASS’
appears. The scale is now calibrated. Remove the weight
7. Batteries
 Slide the battery cover at the back of the scale open.
 Insert 2 new type AAA (LR03C) batteries with polarity as indicated
inside the battery casing.
 Close the battery compartment.
 Do not attempt to recharge non-rechargeable batteries and do not
throw batteries in fire as they might explode.
8. Technical Specifications
capacity 500g
resolution 0.1g
tare range 0-500g
operating temperature 0°C ~ 40°C
power supply 2x 1.5V AAA LR03C batteries (incl.)