1. Manual of AWA6228 II).Several Basic Setups Hangzhou Aihua Instruments Co., Ltd

2. Functions of keys Start / Reset Key Escape Key Background light Key Run / Pause Key Setup Key Left / Right Keys Enter Key Delete Key Up / Down Keys

3. Boot up meter… start/reset Press the start/reset key for at least 2 seconds to boot up the meter. And enter to the main menu. Main menu

4. Measurement setup… set Press set to go to the Setup menu. Setup menu 1 st page

5. Calendar setting… left right Press left and right to move the cursor to ‘Modify Clock GMT’ left right up down Press left and right keys to move the cursor, and press up and down key to change the value. enter Press enter to the calendar setup page.

6. More settings… leftright updown Press left and right keys to move cursor to ‘Mea. time’, and press up and down to change values. enter Move cursor to ‘Name’, press enter to go to file name setup page. There is more detail later. ‘Rundelay’ use to setup the measurement starting time delay after press run ； ‘Raydelay’ controls the lasting time of background light. ‘Wei’: to set the frequency-weighted from A, C, and Z; time-weighted from F, S, and I. For normal test, we recommend using A, F mode.

7. More settings(Cont.) Setup Press Setup button again to go to 2 nd page of setup. For the unit with GSM module that has SIM card inside ： Set the ‘SMS send’ to be on ， and add in your phone # to ‘Num0’ or‘Num1’; The measurement results will automatically sent to your mobile phone. Leftright up down Left and right keys to move the cursor to ‘Plot mode’, then press up and down keys to select mode to be Graph, then you can print out the data with graph, otherwise, no graph can be printed. More detail in following slides

8. Printing （ with mini printer ） … The instrument will auto save the data after finished the measurement. Go to main menu and pick ‘Data’ to recall the data. You can see a bunch of saved data here.

9. Print batch or single data… Left right Out Left and right key to move cursor to desired position. Then press Out key to print out all data that below the cursor. enter Out Or you can press enter to open one specific data, then press Out to only print this single data. enter Out Press enter again to show the graphic view of data, then press Out can print the data with graph. 5 No. name

10. File name setting… enter Move the cursor to ’Setup’, and press enter to go to setup page leftright enter Use left and right keys to move cursor to ‘Name’, press enter to go to name setup page. Setup page

11. File Name Setting(Cont.)… deletesetup Use delete key and setup key to move the cursor in file name. leftright enter Use left and right keys to move the cursor to highlight the characters. And press enter to pick the highlighted character. out Use out key to delete the existed name.

12. 0°0° 90° 3rd Page of Setup… up down Move the cursor to ‘ Zone’ and use up and down key to change to the suitable time zone. ‘Direct’ is used to set the incident angle of sound source to the microphone. Normal we use 0°, when the microphone points to the sound source. When it is worked with AWA2581, outdoor monitoring system, the direct should set as 90° Set Press Set again to go to 3 rd page of setup.

13. Frequently Asked Questions … 1 ） Clock lost Solution ： a. Turn on the instrument, and keep working up to 8hrs. Then the internal battery will be auto recharged. b. If it still cannot work property after so, please return in to the retailer for repair. Recommends: For those who do not use the meter often, please turn on the meter for at lease 8hrs per month. 2 ） The instrument cannot be boot up Solution ： a. Check the battery power. Replace with new batteries or external power supply to retry again. up b. Check the LCD contrast. It maybe too light. Press up after you turn on the meter to make adjust. (check the video later.) c. Check the battery’s leakage, and battery clips’ oxidation condition. Maintenance requirements ： More than 80% of Instruments that cannot be turned, are due to the battery’s leakage. Leave the battery inside the instrument for a long time without using, cause battery leaks, and eventually lead to corrosion of PCB. So, for those instrument that are not in use for a long term, please remove the battery.

14. Frequently Asked Questions … 3 ） The screen display is not normal (too light or too dark) Solution ： Adjust the contrast up down a. Power on the meter, then press up key (display too light) or press down key (display too dark), and not let go until the display normally. b.Go to the setup menu to adjust the contract. ：