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OWI User Manual: Model AMP1SGRN Speaker Amplifier with Priority Audio Override
1.) At location A8 set the dip switches for the expected input audio signal: 100 volts audio, 70
volts audio, 25 volts audio, or LINE LEVEL audio. This is the Priority.
2.) Input using a computer brings up the menu and select 2. Set the time, in seconds, from 5 to
60.
3.) At location JMP3 (located under the component board, directly under the equalization
pots), JMP3 jumper affects the Line Level Output. The Pre-Fader position is not affected by
the Master Fader which is the Main Speaker Volume Control. The Post-Fader position is
affected by the Main Speaker Volume Control.
4.) The slider switch A11 chooses whether both inputs A12 and A9 are available or whether
A12 shorts out A9.
5.) The slider switch, A10 chooses the expected non-interrupt signal level: microphone level or
line level.
6.) The condition indicator red/green LED and the Main Speaker Volume Control are on a
separate small printed circuit board. The function of the small printed circuit board is allow
access to both the Main Speaker Volume Control from inside the grill, and to make the
red/green LED visible, from below (ceiling mounted).
The meanings of the LED indications are below.
7.) Condition Indicator LED, Table of States
Normal Operation ......................................... Steady green
Self Test Result OK ..................................... Two blinks of green
Self Test Result Fail ..................................... Two blinks of red
Sleep Mode .................................................. Quick green flash
Priority Override ........................................... Steady Red
Priority Override Timeout Countdown .......... Red flash every second
8) Version Indicator LED, Power Up Only
Firmware Version Number, First Digit .......... Green flash
Firmware Version Number, Decimal Point ... 1 Second pause
Firmware Version Number, Second Digit ..... Red flash
9) Power On Indicator LED, DS2 ...................... Power On Indicator (On PCB, Red)
Refer to page 12 for "A" number locations.
Operation Continues
OWI Model AMP1SGRN Manual Page 24 of 28
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