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VARIABLE GAIN ADJUSTMENT AND LED INDICATORS
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AC Power LED - Illuminates when the AC voltage is supplied, the unit is ON, and the
AC/DC power supply is operating.
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DL ALC LED - Illuminates when DL composite power reaches the ALC set
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DL Alarm - Illuminates when the DL amplifier fails.
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UL ALC LED - Illuminates when UL composite power reaches the ALC set.
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UL Alarm - Illuminates when the UL amplifier fails.
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External DC LED (optional) - Illuminates when the BDA is operating from a DC source.
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Oscillation detection LED (optional) - Illuminates when oscillation is detected.
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Donor antenna alarm LED (optional) - Illuminates when Donor Antenna is disconnected.
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Mobile antenna alarm LED (optional) - Illuminates when the mobile port is disconnected.
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DL Manual Gain Attenuator- Is a switch used for DL gain attenuation
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UL Manual Gain Attenuator- Is a switch used for UL gain attenuation
Figure 5: Internal Panel LED Indication and Manual Gain Attenuation Access
