Intelligent Weighing Technology GM-3000, Operation Manual

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4. OPERATIONS
4.1 Routine operation:
a. Switch power on. The unit will begin a
self-testing sequence. The scale is ready for
use when the display zeros. The measuring unit
for the weighing value will be in kilograms
initially.
b. Press the “ MODE ” key to select the desired
measuring unit.(kilograms or pounds)
c. If there is a container placed on the platter,
press “ TARE ” key to subtract the weight of the
container previously.
d. Start to weight.
* Optional back-lighting facility
Press “ MODE ” key, there are 4 modes to be switch
over in sequence.(kilograms without
back-light --- > pounds without back-light --->
kilograms with back-light ---> pounds with
back-light)
4.2 Operation notes:
Grounding:
Ground the instrument properly to protect the
instrumentation from power surges. This can
be done by using a suitable adaptor transformer
with a third ground terminal. Any method of
grounding should comply with local electrical
regulations. Do not ground the GM to gas pipes,
water pipes, or to telephone plugs.
Warm-up period
For best results, a minimum 10-minute period
of disuse prior to operation is highly
recommended.
Enabling and disabling the Auto shut-off
mechanism
When the scale is turn on, the auto shut-off
mechanism is set at four minutes. To disable
or to enable again this power-saving function,
follow these instructions:
a. Press the “ OFF ” key.
b. Press and hold the “ TARE ” key.
c. Press the “ ON/ZERO ” key, the display will
show “ F1 ”.
d. Press “ TARE ” key to switch the display to
“ F4 ”. Then press “ MODE ” key, the display
will read “ 4-OFF ” or “ 0-OFF ”.
e. Press the “ MODE ” key to switch between the