3nh TS Series, Operation Manual

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1. Interface Description
Figure 1 Interface Description
Port Description
1. Power Switch 1/0: Push the switch to “1” to turn on the instrument.
Push the switch to “0” to turn it off.
2. USB/RS-232/Charging port: common interface. The instrument automatically judges the connection. USB
interface is used to connect to PC software. RS-232 port is used to connect to the printer. It can charge the
instrument by connecting the USB interface to power charger or PC. The specification of the external power
charger is 5V == 2A.
3. Switch / Testing button: Long press for 3 seconds to turn ON/OFF power, short press for measurement.
4. Aperture switch: used for changing the measuring aperture, setting this switch to “MAV”, turn to Φ8mm
aperture, while setting this switch to “SAV”, turn to Φ4mm aperture.
5. Indicator light: LED has green and red colors, which are used to indicate the working status of the instrument.
* During turn-on charging, when the charging capacity is greater than 90%, the green light will be on, and the red
light will be on when the charging capacity is lower than 90%.
* During the normal start-up process, the instrument is in normal state (no power adapter is connected, black and
white calibration is in the validity period, the power is more than 10%, the instrument has no fault), the green
indicator light is on for 10 seconds, the green light flashes during the measurement process, and it goes out after
the measurement.