Aktakom ATE-9030 User Manual - Page 7

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2) If select the upper to «yES», press the «Enter Button» (3-4, Fig. 1) once again, the Display will show text «yES

Ent» to confirm again, if make sure to do the SD memory card format, then press «Enter Button» once will format the

SD memory clear all the existing data that already saving into the SD card.

8. POWER SUPPLY FROM DC ADAPTER

The meter also can supply the power supply from the DC 9V Power Adapter (optional). Insert the plug of Power

Adapter into «DC 9V Power Adapter Input Socket» (3-13, Fig. 1). The meter will permanent power ON when use the

DC ADAPTER power supply (The power Button function is disable).

9. BATTERY REPLACEMENT

1) When the left corner of LCD display show «

measurement may still be made for several hours after low battery indicator appears before the instrument become

inaccurate.

2) Loose the «Battery Cover Screws» (3-15, Fig. 1) and take away the «Battery Cover» (3-17, Fig. 1) from the

instrument and remove the battery.

3) Replace with DC 1.5 V battery (UM3, AA, Alkaline/heavy duty) x 6 PCs, and reinstate the cover.

4) Make sure the battery cover is secured after changing the battery.

10. RS-232 PC SERIAL INTERFACE

The instrument has RS-232 PC serial interface via a 3.5mm terminal (3-12, Fig. 1).

The data output is a 16 digit stream which can be utilized for user's specific application.

A RS-232 lead with the following connection will be required to link the instrument with the PC serial port.

The 16 digits data stream will be displayed in the following format:

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Each digit indicates the following status:

D15

D14

D13

D12, D11

D10

D8 to D1

RS232 FORMAT: 9600, N, 8, 1

Baud rate

Parity

Data bit no.

Stop bit

11. CALIBRATION

1) Prepare the optional «SOUND CALIBRATOR», such as «SC-941» or «SC-942» (set range to 94.0 dB). Power

on the Sound Calibrator & plug calibrator output socket into the «Microphone» head (3-1, Fig. 1) of the Sound Level

meter.

2) Select manual range to «50...100dB».

3) Select «Time Weighting» at «Fast» position.

4) Select «A» weighting.

5) Adjust the «Calibration VR» (3-11, Fig. 1) carefully with a «-» screw driver until the display reading value within

«94 +/- 0.2» dB.

Start Word

When send the upper display data = 1

When send the lower display data = 2

Annunciator for Display

dB = 17

Polarity

0 = Positive 1 = Negative

Decimal Point (DP), position from right to the left

0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP

Display reading, D1 = LSD, D8 = MSD

For example:

If the display reading is 1234, then D8 to D1 is : 00001234

End Word

9600

No parity

8 Data bits

1 Stop bit

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», it is necessary to replace the battery. However, in-spec.