tokens: ['during', 'the', 'measurement', 'procedure', 'in', 'accordance', 'with', 'the', 'manufacturers', 'specification', 'It', 'is', 'important', 'that', 'the', 'dynamic', 'range', 'of', 'the', 'test', 'instrumentation', 'is', 'not', 'exceeded', 'Normally', 'no', 'corrections', 'are', 'made', 'to', 'the', 'uplink', 'reference', 'level', 'In', 'case', 'it', 'is', 'not', 'possible', 'to', 'perform', 'the', 'above', 'calibration', 'eg', 'a', 'PC', 'card', 'with', 'headset', 'the', 'manufacturer', 'shall', 'specify', 'the', 'distance', 'between', 'the', 'MRP', 'and', 'the', 'microphone', 'Figure', 'A', 'Audio', 'breakthrough', 'measurement', 'calibration', 'setup', 'for', 'portable', 'equipment', 'NOTE', 'The', 'EUT', 'is', 'in', 'position', 'during', 'calibration', 'of', 'the', 'uplink', 'but', 'not', 'during', 'calibration', 'of', 'the', 'downlink', 'where', 'the', 'EUT', 'is', 'replaced', 'by', 'the', '', 'kHz', 'test', 'audio', 'source', 'During', 'calibration', 'of', 'the', 'uplink', 'the', 'mouthpiece', 'shall', 'be', 'placed', 'with', 'respect', 'to', 'the', 'MRP', 'in', 'a', 'way', 'representing', 'intended', 'use']