Brymen BM195, Руководство пользователя

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the meter to the PC computer RS232 or USB ports.
Press and hold the
HOLD
button while turning the meter on to enable meter PC-COMM output.
Hold
The hold feature freezes the display for later view. Press the HOLD button momentarily
and release to toggle the hold feature.
5ms CREST-MAX capture mode
Press CREST (HOLD) button for one second or more and release to activate CREST-
MAX capture (Instantaneous Peak-Hold) mode to capture signal peak of voltage or
current in duration as short as 5ms. The LCD “
C ” & “ MAX ” turn on. Press again the
button momentarily and release can toggle the combination use of HOLD feature.
Press the button for 1 second or more and release to exit CREST-MAX capture mode.
Auto-ranging and Auto-Power-Off are disabled automatically in this mode.
Backlighted LCD display (Models 197 only)
Press the SELECT button for 1 second or more to toggle the LCD backlight. The
backlight will also be turned off automatically after 32 seconds to extend battery life.
Relative-Zero ( ) mode
Relative-Zero allows the user to offset the meter consecutive measurements with the
main display displaying reading as the reference value. Press the
REL button
momentarily and release to toggle Relative-Zero mode.
Manual or Auto-ranging
Press the RANGE button momentarily and release to select manual-ranging, and the
meter will remain in the range it was in, the LCD turns off. Press the button
again to step through the ranges. Press and hold the button for 1 second or more and
release to resume auto-ranging.
Note: Manual-ranging feature is not available in
Hz and function ranges.
Set Beeper Off
Press the RANGE button while turning the meter on to temporarily disable the Beeper
feature. Turn the rotary switch OFF and then back on to resume.
Auto-Power-Off (APO)
The Auto-Power-Off (APO) mode turns the meter off automatically to extend battery life
after approximately 34 minutes of no rotary switch or push button operations. To wake
up the meter from APO, press the
SELECT button momentarily and release or turn the
rotary switch OFF and then back on. Always turn the rotary switch to the OFF position