Brymen BM857 User Manual page 14

13
MAX/MIN RECORDING mode
Press REC button momentarily to activate MAX/MIN recording mode. The LCD
annunciators "R" and "MAX MIN" turn on. The meter beeps when new maximum or
minimum reading is updated. Press the button momentarily to read throughout the
Maximum (MAX), Minimum (MIN), and Maximum minus Minimum (MAX-MIN) readings.
Press the button for 1 second or more to exit MAX/MIN recording mode. Auto Power
Off feature will be disabled automatically in this mode.
CREST Capture (Instantaneous Peak Hold) mode
Press CREST button momentarily to activate CREST mode to capture voltage or
current signal duration as short as 0.8ms. This mode is available in DC, AC, DC+AC
modes of voltage and current functions. The LCD annunciators "C" & "MAX" turn on.
The meter beeps when new maximum or minimum reading is updated. Press the
button momentarily to read throughout the Maximum (MAX), Minimum (MIN), and
Maximum minus Minimum (MAX-MIN) readings. Press the button for 1 second or more
to exit CREST capture mode. Auto Power Off feature will be disabled automatically in
this mode.
Relative Zero mode
Relative Zero allows the user to offset the meter consecutive measurements with the
displaying reading as the reference value. Practically MAX/MIN recording feature
readings can also be set as relative reference value. Press the button momentarily
to activate and to exit Relative Zero mode.
500000 high resolution stable mode
In DC voltage and frequency functions, press the 500000 button momentarily to toggle
between the 4-4/5 digits fast mode and the 5-4/5 digits high resolution stable mode.
Backlighted display
Press the SELECT button for 1 second or more to turn on or off the display backlight
function. It will also be turned off automatically after 30 seconds to extend battery life.
Manual or Auto-ranging
Press the RANGE button momentarily to select manual-ranging mode, and the meter
will remain in the range it was in, the LCD annunciator turns off. Press the
button momentarily again to step through the ranges. Press and hold the button for 1
second or more to resume auto-ranging mode.
Note: Manual ranging mode feature is not available in Hz function.