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4. . Operating Instructions
4.1 Power on
1 When using AC power , power on , setting the ship- form switch at the back cover
of the indicator on “1” ; If using DC power , setting the ship- form switch at the
back cover of indicator on “1”, then pressing the recover switch, the indicator will
perform “999999 - 000000 ” selfchecking. And then enter weighing mode. Or
after pressing any key, self-checking stops and enters weighing mode
automatically.
2 When power on, if loading weight on the plat form of the scale deviates from the
zero point, but still within zero set range, Then indicator will set zero at power on
automatically. If the loading weight is over the zero range, you should adjust zero
point of scale or recalibrate and reset the indicator.
4.2 Manual zero setting:
1 In weighing mode, press [ Zero ] key. Indicator will perform zero-setting.
2 If displayed value deviates from zero point, but still within zero-range, pressing
[ Zero ] key is available. Otherwise, [ Zero ] key is invalid. (In this status, please
recalibrate or reset zero parameters)
3 Only when stability sign lamp is on, you are allowed to set zero operation.
4.3 Tare function
1 Normal Tare :
When Indicator at weighing status, and displaying positive weight stably.,press
[ Tare ] key, indicator will deduct the displayed weight value as tare weight..
Then indicator displays net weight as “ 0 ”. And Tare sign Lamp is on.
2 Preset tare:
When Indicator at weighing status, press [ Pre Tare ] key, indicator will display
[ P ***** ], Using digital key entering known tare weight value, then press
[ Enter ] key, the pre-tare is finished. At this time indicator displays net weight
and tare sign lamp is lighted.
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RXD TXD GND
232C
+OUT -OUT(Connecting scoreboard)
Calibration control