Niigata seiki LEVELNIC DL-S3 DL-BW, Руководство по эксплуатации

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(10) Signal output jack
Through this jack, the measured value currently displayed can be output, together with its
unit, in RS-232C conformant signals.
The signals can be delivered directly to a computer and printer equipped with an RS-232C
input.
For details, see Section [External Signal Output].
(11) AC adapter jack
This is a jack designed to feed power to the device from outside.
Use the AC adapter supplied with the device.
When the output plug of the AC adapter is inserted into the AC adapter jack, the battery of
this device is isolated from the internal circuit.
(12) Battery case
The battery is accommodated in this case.
(13) Battery case knob
When the battery needs to be installed or replaced, turn the battery case knob
counterclockwise to detach the battery case. It is made in screw type. The battery case will
come off along with the battery case knob.
Battery snap