RST 08087 User manual

DIGITAL SCALE
user manual EN
08087
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Main functions
• 4 buttons: on/off, tare/light, +/sum, un-
lock/ce
• Working Voltage: 3 V
• Working temperature: -20... 50 oC
• Maximum weight: 30 Kg
• Minimum weight: 0.010 Kg
• Scale division: 0.010 Kg
• Auto-power off (it will power off automati-
cally within 90 seconds without any oper-
ation).
• Alarm for overweight: show HI in the LCD.
• Tare/reset to zero: after weighing, press
“tare” button, the weight reset to zero.
• Auto-lock: when it locks, the LCD show
hold symbol with sound, the time for lock-
ing is 30 seconds.
• Total sum function: press “SUM” button to
save the data, after weighing all the
things, press and hold “SUM” for 3 seconds
to calculate total weight of weighing
things.
• Orange backlight function (defaulting set-
ting: the backlight is closed), press and
hold “tare/light” button for 3 seconds to
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turn on or turn off the backlight. After turn
on the backlight, press any button can
light the backlight for 7 seconds, it will turn
off after 7 seconds without any operation.
When the scale turns off, the backlight will
turn off automatically.
• Different Sound’s “Click” for button’s,
Hold, overweight.
Power on & Reset
After installs batteries, the LCD will show in full
display for 2 seconds (as Pic.1), it will with a
sound Click” and the backlight will turn on at
the same time, then it enters to the weighing
mode (as pic.2)
Display: weight
Unit: Kg
Pic.1
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Operation and display
1.Button
Pic.2
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2.Button detailed operation
2.1 on/off (power on and power off)
A. Press on/off button once, MCU will let it
power on, it will be in full display in 2 sec-
onds, just as the display in Pic.1, then enter
to the weighing mode (as pic.2).
B. When it is in the mode of weighing, press
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and hold “on/off” button for 3 seconds to
make it power off and then enter the shut-
off mode.
C. it will power off automatically in 90 sec-
onds without any operation.
2.1 on/off (power on and power off)
A. Press on/off button once, MCU will let it
power on, it will be in full display in 2 sec-
onds, just as the display in Pic.1, then enter
to the weighing mode (as pic.2).
B. When it is in the mode of weighing, press
and hold “on/off” button for 3 seconds to
make it power off and then enter the shut-
off mode.
C. it will power off automatically in 90 sec-
onds without any operation.
2.2 Tare (clear and reset to zero and turn on
the backlight)
A. Press the button once to tare the weight
and reset to zero, it will show tare symbol
once in the LCD (as pic.3), after tare and
reset to zero, the tare symbol will disappear.
User can get the weight without tare then.
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B. If after tare, the tare is lower than 10 Kg,
the LCD will show the minus, it will show
-9.99 kg as pic.5), then press “tare” button
once again, it will reset to zero. If tare is
over than 10 Kg, on the LCD will show Err.
Pic.3
Pic.5
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C. After power on, press and hold “tare”
button for 3 seconds, it will turn on the
backlight and light for 7 seconds. After
the backlight turns on, press any button
can light the backlight for 7 seconds, it
will turn off after 7 seconds without any
operation.
D. After turns on the backlight, press and
hold “tare” button for 3 seconds to turn it
off.
2.3 +/sum (sum total)
A. After weighing all the things, press “sum”
once to save the data and it will show
“add” on the LCD (as Pic.4), after 3 seconds,
and it will return to the mode of weighing.
Pic.4
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B. After weighing all the things, press and
hold “sum” for 3 seconds to calculate
total weight of weighing things, it will
show “sum” on the LCD (as Pic.7). (the
sum total weight can’t be over 100 Kg,
otherwise, it will show HI on the LCD (as
pic.8) and with alarm sound “overload”,
and with third sounds.
Pic.6
Pic.7
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C. The time for showing the total weight is 30
seconds, after 30 seconds, it will exit and
return to the weighing mode, or press sum
button again to return to weighing mode.
2.4 unlock/ce (clear the sum total weight)
A. After weighing all the things, press and
hold “ce” button for 3 seconds, it can
clear all the sum total weight, and it will
show “--.---” on the LCD (as pic.9) and
then it will reset to the mode of weighing.
B. When it locks auto, press the button once
can unlock it.
Pic.8
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