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Digital Digital Sound Sound Level Level Meter Meter Digital Digital Sound Sound Level Level Meter Meter Operation Operation Manual Manual Operation Operation Manual Manual Ⅰ. Preface Thank you for selecting our production. Please read the following information carefully before using the meter.
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Clock and calendar function. AC and DC analog signals output, which can be linked to frequency analyzer or X-Y axis recorder. Background light for working in the night. to save power, the background light shines for 5 seconds, then closes automatically. Secondary plasticizing meter shell.
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AC signal output: 0.707 Vrms at FS (Auto-range mode isn’t included) Output impedance approx. 600Ω DC signal output: 10mV/dB Output impedance approx.100Ω Power supply: Four LR03 AM4 1.5V SIZE AAA alkaline cells Power life:About ﹥35hrs(alkaline cells) Continuous operation AC adapter: Voltage 9vDC Voltage ripple <100mVpp Supply Current >100mADC Socket pin...
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When the battery voltage drops below the operating voltage, mark “ ” appears and flashes. It must bedone to replace all batteries with new one. When the DC adapter is used, insert the plug of the adapter into the DC 9V connector on the side panel.
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Ⅶ. Set time and date Press “MAX” button then turn on the meter, LCD display time(hour, minute, second), the second digitals are flashing, press LEVEL▲ or LEVEL▼ to increase or decrease time; press “MAX” to set minute, hour, mouth, year. after setting is completed, turn off the meter.
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