ADInstruments AD9809 Manual Del Usuario página 17

8.LCD
This is a 3 3/4 digit liquid crystal display with maximum indication off
3999. Function symbols, units, bargraph, sign, decimal points, low
battery symbols, Max/Min symbols, and zero symbol are included.
9.Low Battery Symbol
When this symbol appears, it means the battery voltage drops below
the minimum required voltage. Refer to Section V for battery
replacement.
10.Zero/Relative Symbol
When this symbol appears, it means a reference value has been
subtracted from the actual reading. The reading shown is a offseted
value. Press and hold the zero button for 2 seconds to disable this
function.
11.Data Hold Symbol
Once the hold button is pressed, this symbol appears on LCD.
12.Bargraph
Bargraph has forty segments. It displays segments proportional to the
actual reading. Each segment represent one count.
13. Max/Min Hold symbol
Once the Max/Min button is pressed, either MAX or MIN shall be
displayed on LCD.
14.Continuity Symbol
If ohm and continuity function is selected, this symbol shall appears
on LCD.
15.Units symbols
Once a function is selected, corresponding unit (V,
be displayed on LCD.
Ω
16.V Hz input Terminal
This terminal is used as input for voltage, ohm/continuity, or frequency
measurements.
17.COM Terminal
This terminal is used as common reference input.
18.Hand strap
Put your hand through the hole of hand strap to avoid accidental drop
of the clamp meter.
Ω
, A，or Hz) shall
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