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CEM DT-9989 User Help
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CEM DT-9989 User Help

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DT-9989 Bluetooth User Help
I.
Driver Installation and identification of COM PORT
1. Insert the PC-4.0B (the blue USB which delivered together with the Multimeter) into the
computer and open the Device Manager, as shown in Figure 1 below. If the Bluetooth of
your computer is lower as 4.0, it is necessary to update your driver (from point 2 to point 5).
Otherwise, please go to point 6 directly.
Figure 1.

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Summary of Contents for CEM DT-9989

  • Page 1 DT-9989 Bluetooth User Help Driver Installation and identification of COM PORT 1. Insert the PC-4.0B (the blue USB which delivered together with the Multimeter) into the computer and open the Device Manager, as shown in Figure 1 below. If the Bluetooth of your computer is lower as 4.0, it is necessary to update your driver (from point 2 to point 5).
  • Page 2 In the Device Manager, you will find an unrecognized device: TI CC2540 USB CDC (Figure 2). Figure 2. 2. Please select the unidentified device, right-click to select "Update Driver Software ..." Figure 3. Update Driver Software...
  • Page 3 3、Then Choose „Browse my computer for driver software“. Figure 4. Update Driver Software...
  • Page 4 4. The driver Software is in Software-package, in the file „Drivers”. (Figure 5) Figure 5. 5、Driver is successful installed. Figure 6.
  • Page 5 6. Check the available Com Port in Computer Management, Ports (COM & LPT). For example, as shown in Figure 7, the Com Port for Bluetooth communication is 7. Figure 7. Com Port Checking...
  • Page 6 Connecting Multimeter with PC-software through Bluetooth 1. Open the DT-9989 PC software as shown below Figure 8. Interface of DT-9989 Software 2. Select the menu “Com Port””ConnectBle” Figure 9.
  • Page 7 3. Enter the COM Port number which you have found from the Computer Management into position ① and then select „Scan“② Figure 10. Winds for Scan Device 4. After the results of the Scanning return (as shown in Figure 11), choose the device which need to be connected and click the button „Connect“...