UNI-T UT255C, Руководство по эксплуатации

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The receiver enters data reception mode when it is powered on. If the receiver receives
transmission data, it will display testing data in real time; if not, it will keep searching signal
and display the symbol “no - -”.
The receiver shows the symbol “OL” to indicate the measured current is over the specified
upper range.
3) Data hold
In data reception mode, short press “HOLD” to hold data, with the symbol “HOLD” displayed.
Short press again to unlock data and return to data reception mode, with the symbol “HOLD”
disappearing.
4) Data storage
When “HOLD” is pressed in data reception mode, the receiver holds data, performs automatic
numbering, and stores data held currently. The symbol “MEM” flashes once when performing
data storage. The receiver can store 99 groups of data. If full storage occurs, the symbol “FULL”
flashes continuously, in such case, please clear the data stored so as to store other data.
5) Data viewing
In data reception mode, press “HOLD” and “ ” to enter data viewing mode, show the symbol
“MR”, and automatically display the stored data of Group 01, then press “HOLD” or “ ” to
cycle through the stored data. The receiver automatically displays the data of Group 01 when
viewing data of last group.
Long press “ ” (more than 3 seconds) to exit data viewing mode and return to data reception
mode. The symbol “End” appears when exiting data viewing mode.
6) Data deletion
In data viewing mode, press “HOLD” and “ ” to delete all stored data and return to data
reception mode. The symbol “dEL” appears when performing data deletion.
VII. Battery Replacement
Warning! It is forbidden to test without battery cover closed in place,
otherwise it can present risk.
Please install battery according to correct polarity, otherwise it can cause
product damage.
Do not apply new batteries along with used ones.
1. If the battery voltage of receiver is lower than 4.8V±0.2V, the symbol “ ” is displayed
continuously to indicate low battery, please replace the battery in time. If the battery voltage of
detector is lower than 4.8V±0.2V, the symbol “
” appears and flashes to indicate low
battery, please replace the battery in time.
2. Power off the receiver/detector, loosen the two screws at the battery cover, open the battery
cover, replace with new batteries (please ensure correct polarity), close the battery cover in
place, then tighten the screws.