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For SV231USB
To activate the Auto Scan, press and hold the pushbutton down for 2 seconds until you hear a long beep followed by a short beep. To exit from it, tap the pushbutton again.
To change the Scan Time interval, press and hold the pushbutton for 4 seconds until you hear two long beeps. By tapping the pushbutton each time, the SV231USB responds with 1, 2, 3 or 4 beeps corresponding to 3, 8, 15 or 30 seconds respectively. Once set, leave the SV231USB as it is and it will automatically return for normal operation.
For SV431USB
To activate Auto Scan, press down front panel push buttons “3”and “4”simultaneously. The port LED flashes during Auto Scan. Auto Scan is effective for
To change the Scan Time interval, press both front panel buttons “1”and “2”simultaneously. The Sv431USB beeps 1, 2, 3 or 4 times for Scan Time of 3, 8, 15 or 30 seconds respectively.
