During functional testing
Please distinguish the radio modules (FM, AM/FM and FM+RDS), whether the preset band boundary conditions meet the requirements; whether the new frequency tuning mode meets the requirements; manual scan frequency search station, automatic frequency scan frequency search station and automatic preset memory function Whether the requirements are met; whether the stereo volume adjustment meets the requirements;
Performance testing angle
Find some special environment to test the receiving sensitivity (generally, the earphone of the mobile phone is the antenna, how does the listening effect of the earphone in different physical states); the interference that may be caused by receiving (the adjacent frequency bands and the crosstalk interference during the call); standby Whether to save power in mode;
ease of use
Some operations in the in-line headset usage mode. For example, wire-controlled earphone automatic detection, wire-controlled earphone switching, volume adjustment, channel selection, buzzer control, etc.;
