BTH-1208LS-OEM User's Guide
Installing a BTH-1208LS-OEM
9
5.
Press and hold the power/pairing button for two seconds to remove the device from pairing mode.
Once the BTH-1208LS-OEM is paired to the host device, run an application that communicates with the device
(such as InstaCal or a UL for Android example program) to establish a connection. The
Status
LED turns on to
indicate a Bluetooth connection is established.
Digital ground to earth ground connection recommended
Measurement Computing recommends that you connect one of the digital grounds (
GND
) to earth ground to
reduce the chance of the BTH-1208LS-OEM unexpectedly powering down due to electrostatic discharge.
Installing the hardware in USB mode (Windows only)
The driver needed to run the BTH-1208LS-OEM device is installed when you install the software. Therefore,
you need to install the software package you plan to use before you install the hardware. For operation on a
Windows operating system, Measurement Computing recommends that you run Windows Update to update
your operating system with the latest USB drivers.
Connect the USB cable to an available USB port on the computer or to an external USB hub connected to the
computer. Connect the other end of the USB cable to the USB connector on the device. No external power is
required.
Configuring Bluetooth settings
All Bluetooth settings except for the pairing code can be changed when the BTH-1208LS-OEM is either
physically or wirelessly connected to the host device. The pairing code can only be changed when the BTH-
1208LS-OEM is physically connected to the host device.
You can configure the following Bluetooth settings on the BTH-1208LS-OEM through software. For example,
if you are using the device in a Windows environment, you can configure these settings with InstaCal.
Pairing code
– Four digit code that identifies the BTH-1208LS-OEM to the host device (default =
0000
).
The pairing code cannot be changed when the BTH-1208LS-OEM is connected wirelessly to the host
device.
Bluetooth connection status notifications
– You can set values that indicate when the device is
connected over Bluetooth, and when the Bluetooth connection terminates. Connected and disconnected
values can be set for digital outputs, analog output channel 0, and analog input channel 1
Auto shutdown
– When the device is powered by batteries, you can configure the device to power down a
specified amount of time after the Bluetooth connection terminates.
Battery charging
– When the device is powered by rechargeable batteries, you can configure the device to
recharge batteries from the USB power supply when connected over Bluetooth.
Calibrating the hardware
The Measurement Computing Manufacturing Test department performs the initial factory calibration. Return
the device to Measurement Computing Corporation when calibration is required. The recommended calibration
interval is one year.
Field calibration is not supported.
