Brymen BM785, Руководство пользователя

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For most auto-ranging functions (LCD “ ” turns on by default), press the RANGE
button momentarily to override and select manual-ranging. The meter will remain in the
range it was in, the LCD
“ ” turns off. Press the button momentarily again to select
the next range. Press RANGE button for one-second-or-more to resume auto-ranging.
Note: Manual-ranging feature is not available to the Auto-V , dBm , Capacitance & Hz
functions.
HOLD
HOLD
feature freezes the display for later view. LCD “ ” turns on. Press the HOLD
button momentarily to toggle the HOLD feature.
AutoHold Real-
Read™
AutoHold feature displays the last latched stable-reading for later view when the test
leads are removed from the test points after a significant-measurement session. Real-
Read™ is to show real-time readings during the significant-measurement session to
avoid “ blind ” measurements. Press the AutoHold button for one-second-or-more
to toggle the AutoHold feature on. LCD “ ” turns on. Availability: Resistance,
Continuity, LoZ AutoV, VFD Volts, Voltage and Current functions.
◎
Significant-measurements (readings) are >5% of range in Voltage and Current
functions, or non-OL in Resistance function.
◎
Stable-reading is a significant-measurement reading having ≤ 30 counts in
difference with its two immediate preceding measurement readings.
◎
Significant-measurement readings are being displayed in real time (Real- Read™ );
“ - - - - - ” is being displayed while awaiting significant-measurements.
◎
The AutoHold gives a short-beep with a flashing “ ” when a stable-reading is
successfully latched ready for later display. If any of the further significant-
measurement readings differs from the latched reading by >30 counts, the latched-
reading will be reset waiting to re-latch a new stable-reading.
◎
After a significant-measurement session, AutoHold gives a short-beep and
displays the latched-reading. The reading flashes to emphasize it is on hold to avoid
confusions.
◎
The AutoHold gives 3 short-beeps and “ - - - - - ” flashes to indicate a null capture
after a significant-measurement. It represents no stable-reading is being latched or that
has been reset after further encountering unstable signal changes to avoid displaying
misleading readings.