What is the first step in the operating procedures for the AN/PRC-152?

Turning on the AN/PRC-152 and conducting a self-test is the foundational initial step in the operating procedures. This action ensures that the radio is functional and ready for use. The self-test checks critical systems and functionalities of the radio, identifying any malfunctions or issues before it is employed in a communication scenario.

Completing this step first is vital as it sets the stage for subsequent operations, such as loading COMSEC fill data, selecting presets, or verifying communications. This systematic approach helps maintain operational integrity and communication security, ensuring that the equipment will perform effectively in the field.