JL (Jieli) Bluetooth Test Box Comprehensive Guide: Key Steps & Practical Operation
As a leader in Bluetooth audio solutions, Zhuhai Jieli Technology's Bluetooth Test Box is an essential tool for development and production. This guide provides complete operational instructions to streamline your Bluetooth chip testing.
Core Features Overview
The JL (Jieli) Bluetooth Test Box offers:
Dual-device parallel testing capability
A2DP audio playback testing
HFP call function testing
Frequency offset testing with auto-calibration
Wireless firmware upgrade
Rapid test mode
Step-by-Step Operation Guide
1. Power Connection & Initial Setup
Use included 9V power adapter
Verify "Searching" status on both channels upon startup
Confirm correct Bluetooth name display for DUT (Device Under Test)
2. Critical DIP Switch Settings
(Requires reboot after adjustment)
3. Button Functions
Reset: Typically unused
Device B Next: Cycles through music→call→disconnect
Device A Next: Same for second device
Disconnect: Hold while connecting PC cable for config mode
4. Frequency Offset Standards
Real-time offset value displayed
Pass Criteria: Must maintain ±20KHz range
Auto-calibration (Switch 5) optimizes automatically
5. Configuration Tool Workflow
Enter config mode (Hold Button4 + PC cable)
Access CD drive in "My Computer"
Launch bt_test_box.exe
Key parameters:Minimum detectable signal (adjust range)Target device name (accelerates pairing)Max TX power (connection stability)
6. Wireless Upgrade Methods
Method 1: SD Card
Pre-configure target device name
Insert SD card with .bfu file
Auto-upgrades upon connection
Method 2: PC Bluetooth
Navigate to "Device Upgrade" in config mode
Select device or specify Bluetooth name
Load .bfu file to initiate
Troubleshooting Guide
Upgrade Failures:
Display Issues:
Audio File Update:
Pro Tips
Enable both Switch 4 & 5 for precision frequency tests
Maintain 4+ standby devices for batch testing efficiency
Quick test mode requires AC690x_SDK2011+ firmware
For complete technical documentation including:
Detailed user manuals
Schematics & reference designs
Debugging guides
FAQs
Visit our AliExpress store [BLE Voice Store] or contact our engineering team:
📧 [email protected] 📱 +86 159 0279 7635 (WhatsApp/WeChat)
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