7
1
：
Current input
；
1
：
RS485A
；
2
：
Earth
；
2
：
RS485B
；
3
：
NC.
3
：
Inductive voltage input
；
4: Earth.
5.1.3 LCD screen:
Industrial grade 640 * 480 dot matrix high brightness color LCD screen, displaying operation
menu, test data, waveform and so on.
5.1.4 Keys:
Used for operating the instrument. "↑ ↓" refers to"up and down", used to move or modify the
data; "← →" refers to the "left and right", used to move or modify the data; "ENTER" is used to
confirm the current operation; and "CANCEL" is used to give up the current operation.
5.1.5 Antenna:
When using the wireless test mode, please install the compatible antenna on the antenna seat
so as to receive the wireless signal well. The wireless communication distance will be greatly
shortened if not installing the antenna.
5.1.6 USB interface:
Used to connect the externalU disk. Please use FAT or FAT32 format U disk to store test data.
In the storage process, it is strictly prohibited to dial out the U disk.
5.1.7 RS232 interface:
This interface is an external printer interface for connecting external printer. It can print test
results, and the printed content can be selected. There is no need to print the unconcerned
data so as to save printing paper.
5.1.8 DC IN:
Instrument charger interface, please use the compatible charger of the instrument.
5.1.9 Switch
:
Instrument power switch, please switch off the instrument power supply when it is not in use in
order to save battery power.
6.2 Front And Rear Panels Of The Voltage Collector
The front and rear panels of the voltage collector are shown in Figures 4 and 5.
1
2
3
1
2 3
4
