Delton 850A, Руководство по эксплуатации

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-5-
display. Relative measurement has two modes.
R
EL▲=measurement value-Reference value
, the other is
REL%=(REL▲/Reference value)×100%
(press SELECT to
select REL
△
or REL% mode)..
● Set up reference value for your measurement.
● select your measurement function and your range.
● Press SET once, then press SELECT twice to select the
reference value for a measurement.
● Pressing the REL
△
button for more than 2 seconds returns
the meter to normal state.
Pressing the button turns the backlight on, look the Selector Knob
more clearly, pressing it again turns it off.
2.SELECT
● Press this button to select your measurement mode.
3.
Hz/Duty
Pressing the button display the Duty Cycle, pressing it again
display frequency.
4
.MAX/MIN
● Pressing this button the meter enters the dynamic record mode.
● In the dynamic record mode, pressing this button again cycles
MAX , MIN ,AVG , MAX-MIN and Present Reading on.
5. HOLD
● Pressing this button, the meter enters the auto data hold mode
and “HOLD” is displayed on the LCD.
● The data hold function allows the operator to hold a displayed
value on the LCD while the analog bar graph continues to display
the updated value.