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Chapter 4, Test, Parameter, and Pass/Fail Limit Descriptions

Parameter 7, RX Audio Load Impedance

This test parameter refers to the output impedance of the radio’s receiver circuitry.

The value of this test parameter affects the calculation of audio sensitivity as it is

measured and reported in the test results.

Besides being used in the tests shown below, audio-load impedance is used by

subroutines in the software whenever:

❒ radio volume or squelch control is adjusted during testing.

❒ finding the radio’s squelch sensitivity.

For Example:

If the output impedance of your receiver is 8 ohms, enter

8 in the value column.

The value is entered in ohms.

It’s Used in the Following Tests:

TEST_18. RX Audio Sensitivity

TEST_20. RX Quick Test