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Verify the connected transmitter’s output power is less than the maximum input power rating (noted on HHA1 chassis) of the HHA1 power ampli er, then connect the RF output from transmitter to RF input SMA connector. Connect power, RF power select (if applicable), and...
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(or driven to 3.3 Vdc by an external device) or grounded (or driven to below 0.6 Vdc by an external device) to command the unit to the desired output level. If the HHA1 power ampli er is commanded to a power level with which the unit is not equipped, the unit will default to standby (disabled) until a valid power level command is applied.
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