Uni-T UT171A [7/20] Ut171a b c instructions ut171a b c instructions
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Uni-T UT171A [7/20] Ut171a b c instructions ut171a b c instructions

Uni-T UT171A [7/20] Ut171a b c instructions ut171a b c instructions

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UT171A B C Instructions UT171A B C Instructions MAX AVG MIN Peak hold button Buttons RANGE button click to switch over automatic manual range LCD displays Auto prompt disappears One clicking results in one gear of range upwards After reaching the highest gear of range click to jump Short press MAX MIN enter the mode of manual range recording The function of automatic shutdown is cancelled LCD will display M and auxiliary displayer will display MAX then click to the lowest gear of range Circulate in sequence Press the button for more than 2 seconds including or LCD will display M and auxiliary displayer will display AVG click again LCD will display BE rotate for switchover and it will exit mode of manual range applicable to vst Q Freq Cap and Loz and auxiliary displayer will display MIN the sequence is MAX AVG MIN then long press MAX only MIN to exit the mode of data recording STORE to enter SET 1 1 240 button short press the button to save a piece of data and LCD flashes I STO i long press the button automatic storage setting menu In automatic storage setting menu when auxiliary displayer displays UT171C auxiliary show SET INTERVAL it shall be advised to set interval for automatic storage in the unit of second Short press HOLD button to exit setting Short press SELECT button to enter next interface and auxiliary displayer displays SET 2 UT171C cauxiliary show SET DURATION it shall be advised to set duration for automatic storage in the unit of minute Short HOLD button to return to SET 1 UT171C auxiliary show SET INTERVAL and short press SELECT button to start the function of automatic recording based on parameters set In automatic recording short press HOLD Esc button to exit automatic storage Caution in automatic storage it is necessary to short press HOLD button or turn the knob to any gear nonOFF gear location to exit the function of automatic storage It is not allowed to turn to OFF gear without exiting the function of automatic storage so as to prevent data loss RECALL button short press the button to enter recall mode and LCD displays IRCL I UT171C show VIEW In recall mode auxiliary displayer displays No for current data Short press REL or HZ button to rapidly recall one piece of data forward or backward and long press REL or HZ button to rapidly location data required for recall forward or backward Short press RANGE button and HOLD button to delete current data and exit recall mode respectively If it is necessary to delete all the data please select in system setting menu and execute In AC voltage current functional state long press Peak hold to enter the function of peak measurement LCD will display Peak Short press it to independently switch between P Max and P Min modes Long press the Peak hold button to exit the function of peak measurement And the response is about 1 mS HOLD ft button of data hold backlight HOLD press the button and the displayed value will be locked and retained LCD displays EJ prompt Click once again and locking will be relieved entering mode of general measuring ft long press the button turn off or on backlight UT171A and make fast switch among three kinds of backlight luminance UT171B C RELA button of direction selection relative measurement REL A click to automatically enter the mode of manual range for relative measurement Take current displayed value as reference value displayed on the auxiliary displayer Then make the difference between measured value and reference value display on the main displayer Click again to re select current original data as reference value Long press the button to exit REL mode applicable to VSt Q C F and only DEL function UT171C for FORMAT function 9 10

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