3. TECHNICAL BRIEF
3.11.8.2. Audio Mode
There are three audio modes (Voice call, speaker phone, MIDI/MP3).
MODE | Device | Description | |
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| Receiver Mode | Receiver Voice Call | |
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Voice Call | Loud Mode | Speaker Phone | |
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| Headset | Headset Voice Call | |
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Speaker phone | Loud Mode | Speaker Phone | |
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| Loud Mode | Speaker MIDI Bell | |
MIDI |
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Headset | Headset MIDI Bell | ||
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| Loud Mode | Speaker MP3 | |
MP3 |
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Headset | Headset MP3 | ||
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Table. Audio Mode
Audio & Sound Main Component
There are 6 main components in U250/KU250.
| Component | Design No. | Maker Part No. | Note |
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1 | MSM6245 | U201 | MSM6245 | |
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2 | Audio amp | U402 | NCP2890DMR2 | 1W Audio Amp |
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3 | Analog Switch | U401 | NLAS5223BMNR2G | Dual Analog Switch |
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4 | Speaker/Receiver |
| EMS1810TP | Speaker/Receiver |
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5 | MIC | MIC400 | ||
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6 | Ear jack |
| RMBLGG080STSB | Ear jack |
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Table. Audio main component list
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