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| Price /Unit | $89.30 | $87.48 | $84.74 | $81.10 | Contact US |
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Description:
- This product has been upgraded to the latest firmwareV218，Support all product lines of Jieli Bluetooth，include AC697X 696X 695X 693X AI800X AC692X AC691X AC690X AC460Xseries
Packing list:
- Bluetooth test box*1
- Power adapter*1；
remind：This test box can only be used in the Jieli JL scheme（All of Jerry's Bluetooth solutions are available），Other brands of Bluetooth will not be able to connect。
FAQ:
Q: What are the main functions of this device？
A: The main function is divided into two parts：
1、Bluetooth test （Jerry solution only），Common methods include testing Bluetooth frequency offset，Audio channel，Communication channel；
2、Wireless upgrade（Bluetooth board connected to the test box after the direct upgrade process，One is requiredTFcard，Transfer upgrade file toTFafter，Insert test box left testTFslot ）；
3、Frequency offset correction，Analysis of abnormal frequency offsetPCBAMake corrections（The calibration data will be saved permanently）；
Q: This device can test other brands such as Jianrong、CSRBluetooth？
A: This test box can only be used in the Jerry scheme，Other brands of Bluetooth will not be able to connect。
Q: Do you need to configure after getting the test box？
A: Regular use，No configuration is required，Power on directly。For special needs，If the test box is only connected to the specified Bluetooth name，Or reduce the wireless coverage of the test box to avoid mutual interference，Can be configured by connecting the cable to the computer，Connecting cables are available in our stores；
Q: What is the specific standard of frequency offset test？
A: Frequency offset standard：-25~+25Khz, Those out of this range will be marked as defective products，At that time, the frequency offset is corrected uniformly；
Q: Why are the values of frequency offset measured by my batch of boards very different？
A: This is because the quality of crystal oscillator used is not good，In particular, the consistency of frequency difference is poor，This will affect the distance and stability of Bluetooth，There are even problems that cannot be connected，Although it can be partially corrected by using the correction function of the test box。But as a key material，It is suggested to purchase our crystal oscillator，As a first-class solution provider of Jerry，Our crystal oscillator quality control is strict，Higher than general design standard（The standard is+/-10ppm, Our company is+/-7ppm）;
Q: PCBAHow many test boxes should I buy in batch？
A: A test box can be tested at the same time2slicePCBA，Every5000pcsOne for reference，according toPCBANumber and test period to flexibly deploy processing；
Q: PCBAAfter the test，Software upgrade due to project needs，Do you need to retest？
A: need，One is to test and verify the upgrading process，In addition, if the frequency offset correction function of the test box is used，This part of calibration data will be lost after software upgrade，Correct again if necessary。So if you need to upgrade the software，Please put the software upgrade process before the test process as far as possible；
Q: If you use its upgrade function，What else needs to be prepared？
A: needTFCard one、TFOne card reader；
If the above answers fail to answer your questions，Please contact us。thank you！
Please read this document for the latest and complete operating instructions：AC690x_1T2Test box instructions.pdf (https://pan.baidu.com/s/1ECdhttEGZz646AbF2sMA_A)；
Another Division I have a complete video operation tutorial，If necessary，It can be obtained by the company's Jerry communication group after purchase(QQGroup number：867431953，Please attach your order number when you join the group，thank you)；
When the test box is turned on, it will automatically connect to the Bluetooth board for testing，Including display of Bluetooth name、Bluetooth address 、Frequency offset display and calibration of Bluetooth crystal oscillator、Call test, etc；
Support plug inTFWireless upgrade Bluetooth program；
The specific functions are as follows：
(1)、Quick test of BluetoothPCBA，The test box can test two Bluetooth devices at the same timePCBA；
(2)、Support test box to connect Bluetooth device，And then the air upgrade program；
(3)、displayPCBAFrequency offset of Bluetooth，So as to pick out the bad board，The frequency offset can be automatically repaired and corrected for the bad board ；
