VDO TR723UB-BU

> bluetooth scan
Scanning...
00:80:25:A5:10:60  -72 dBm              "SMA001d SN: 2130134432 SN213013"
40:EF:4C:40:BF:E6  -65 dBm  Audio       "TR723UB-BU"
2 devices found
> bluetooth connect "TR723UB-BU",1234
Error : Expected a string
> bluetooth connect "TR723UB-BU","1234"
Connected to 40:EF:4C:40:BF:E6: SBC 44100 Hz, joint stereo, bitpool 53
> play volume 50,50
> play tone 149,150
> bluetooth status
Bluetooth: on
Keyboard:  not connected
Classic keyboard: none
Serial:    none
Speaker:   40:EF:4C:40:BF:E6, streaming
Stream:    SBC 44100 Hz, joint stereo, bitpool 43 (of 53), 16 blocks, 8 subbands, MTU 895
Encoder:   12.1% of CPU, 2090 packets of 8 frames in 54 s
Underruns: 0
Longest encoder gap: 8 ms
Longest send wait: 280 ms, samples dropped: 55408, send errors: 0
Stream starts: 2, pauses: 2 (0 by the speaker), closed by the speaker: 1
Start failures: 0 refused, 0 rejected, 0 unanswered; streams reopened: 0
Bitpool lowered: 4 times, lowest 37
Bond store: 2 writes, longest 148 ms, total 295 ms
Keyboard security: 0 pairings, 0 re-encryptions, 0 interrupted since boot
Keyboard bonds held: 0
Last pairing: none since boot
> play volume 20,20
>

> bluetooth status
Bluetooth: on
Keyboard:  not connected
Classic keyboard: none
Serial:    none
Speaker:   40:EF:4C:40:BF:E6, streaming
Stream:    SBC 44100 Hz, joint stereo, bitpool 47 (of 53), 16 blocks, 8 subbands, MTU 895
Encoder:   12.5% of CPU, 7957 packets of 8 frames in 196 s
Underruns: 0
Longest encoder gap: 7 ms
Longest send wait: 206 ms, samples dropped: 33333, send errors: 0
Stream starts: 0, pauses: 0 (0 by the speaker), closed by the speaker: 0
Start failures: 0 refused, 0 rejected, 0 unanswered; streams reopened: 0
Bitpool lowered: 5 times, lowest 39
Bond store: 0 writes, longest 0 ms, total 0 ms
Keyboard security: 0 pairings, 0 re-encryptions, 0 interrupted since boot
Keyboard bonds held: 0
Last pairing: none since boot
>

> play tone 49,50
> play volume 30,30
> play volume 50,50
> bluetooth status
Bluetooth: on
Keyboard:  not connected
Classic keyboard: none
Serial:    none
Speaker:   40:EF:4C:40:BF:E6, streaming
Stream:    SBC 44100 Hz, joint stereo, bitpool 33 (of 53), 16 blocks, 8 subbands, MTU 895
Encoder:   12.2% of CPU, 1943 packets of 11 frames in 62 s
Underruns: 0
Longest encoder gap: 7 ms
Longest send wait: 271 ms, samples dropped: 47297, send errors: 0
Stream starts: 1, pauses: 0 (0 by the speaker), closed by the speaker: 0
Start failures: 0 refused, 0 rejected, 0 unanswered; streams reopened: 0
Bitpool lowered: 3 times, lowest 29
Bond store: 0 writes, longest 0 ms, total 0 ms
Keyboard security: 0 pairings, 0 re-encryptions, 0 interrupted since boot
Keyboard bonds held: 0
Last pairing: none since boot
>

> bluetooth status
Bluetooth: on
Keyboard:  not connected
Classic keyboard: none
Serial:    none
Speaker:   40:EF:4C:40:BF:E6, streaming
Stream:    SBC 44100 Hz, joint stereo, bitpool 29 (of 53), 16 blocks, 8 subbands, MTU 895
Encoder:   12.1% of CPU, 4959 packets of 12 frames in 155 s
Underruns: 0
Longest encoder gap: 7 ms
Longest send wait: 272 ms, samples dropped: 78329, send errors: 0
Stream starts: 0, pauses: 0 (0 by the speaker), closed by the speaker: 0
Start failures: 0 refused, 0 rejected, 0 unanswered; streams reopened: 0
Bitpool lowered: 4 times, lowest 29
Bond store: 0 writes, longest 0 ms, total 0 ms
Keyboard security: 0 pairings, 0 re-encryptions, 0 interrupted since boot
Keyboard bonds held: 0
Last pairing: none since boot
>

> bluetooth status
Bluetooth: on
Keyboard:  not connected
Classic keyboard: none
Serial:    none
Speaker:   40:EF:4C:40:BF:E6, streaming
Stream:    SBC 44100 Hz, joint stereo, bitpool 51 (of 53), 16 blocks, 8 subbands, MTU 895
Encoder:   13.2% of CPU, 2203 packets of 7 frames in 48 s
Underruns: 0
Longest encoder gap: 8 ms
Longest send wait: 79 ms, samples dropped: 0, send errors: 0
Stream starts: 2, pauses: 2 (0 by the speaker), closed by the speaker: 0
Start failures: 0 refused, 0 rejected, 0 unanswered; streams reopened: 0
Bitpool lowered: 8 times, lowest 29
Bond store: 0 writes, longest 0 ms, total 0 ms
Keyboard security: 0 pairings, 0 re-encryptions, 0 interrupted since boot
Keyboard bonds held: 0
Last pairing: none since boot
> option audio bluetooth 0
>
