Reed Instruments SD-4023, Instruction Manual

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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Operating Instructions
Function selection
1) Turn on the meter by pressing the Power Button. To turn the meter
off, hold the Power Button for over 2 seconds. The meter’s function
defaults are set to “Auto Range, “A Frequency Weighting”, and Fast
Time Weighting”. The screen will display “A. Fast Auto”.
2) Switch between “A” or “C” Frequency Weighting by pressing the
“A/C Button”.
3) Determine proper measuring range by pressing the Range Button.
Press the Range Button to scroll through the Four range types.
There are three manual ranges (range 1, range 2, range 3) and auto
range in this sequence:
Manual range 1, 30 - 80 dB range: Display will show the units “30 - 80”
Manual range 2, 50 - 100 dB range: Display will show the units “50 - 100”
Manual range 3, 80 - 130 dB range: Display will show the units “80 - 130”
4) Select the Time Weighting (Fast or Slow) by pressing the Time
Weighting Button. The screen will display either “FAST” or “SLOW”,
depending on your selection.
Data Hold
While taking a measurement, press the Hold Button once and the mea-
sured value will hold on the screen, and a HOLD symbol will appear.
Press the Hold Button once again will release the data hold function.
Data Record (Max., Min. reading)
The data record function records the maximum and minimum readings.
Press the REC Button once to start the Data Record function and a “REC”
symbol will appear on the display. With the “REC” symbol on the display:
1) Press the REC Button once, and a ”REC. MAX.” symbol along with
the maximum value will appear on the display. To delete the maxi-
mum value, press the Hold Button once and the display will show
a “REC.” symbol only and execute the memory function continu-
ously.
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