Description Of Functions Keys; Data/Auto/Peak Hold Key - HT HT77N Manual De Instrucciones

HT77N
4.2.

DESCRIPTION OF FUNCTIONS KEYS

4.2.1.

/Data/Auto/Peak Hold key

Switching on/off
Shortly pressing the " " key allows switching on the clamp. While switching on, the
display shows the charge percentage of the power supply battery. Replace the battery the
0% appears (see § 5.2). To switch off the clamp, press and hold the " " key for about 3
seconds.
Enabling/disabling the auto power off function
Long pressing the " " key (> 3 seconds) allows switching on the clamp without enabling
the "APO" (Auto Power Off) function. With enabled auto power off, the clamp switches off
after approx. 20 minutes of idleness.
Enabling/disabling the AutoHold function
Long pressing the " " key (> 5 seconds) allows switching on the clamp enabling the
AutoHold function. With enabled function, the clamp automatically freezes the measured
data when the measured current value goes from 0A to a higher value with at least 10
digits. The display shows "AutoHold" and the buzzer beeps three times in a short time. The
clamp automatically exits the AutoHold condition after 5 seconds when no current is
measured.
Data Hold
Shortly pressing the " " key while measuring current allows holding the current value
shown on the display. The display shows "Hold". With active Hold function, if the
measured current increases by 50 digits with respect to the value shown on the display,
the internal buzzer sounds continuously and the current value shown on the display
flashes. Shortly pressing the " " key again allows exiting the Hold mode.
Peak Hold
Long pressing the " " key (> 1 second) during current measurement allows enabling the
Peak Hold function. When the function is enabled, the full scale is forced in manual mode
and the display shows "PeakHold". Shortly pressing the " " key allows exiting the Peak
Hold mode.
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