DATREND Systems vPad-IV, Operating Manual

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vPad-IV OPERATORS MANUAL
4.2 Startup
Press the vPad-IV icon on the Android HOME screen to start the app. The app will connect to the
Controller Module via USB, or alternatively by Bluetooth if wireless operation has been enabled in the vPad
Settings app. After connecting with the Controller, the app will search for additional Modules which may be
in the system (
Figure 20
).
Once connected channels have been found, they will be identified by number and displayed at left on the
screen, along with their current status. The channel number on the screen will match the channel number
displayed by the LED readout on the front of the Module.
Each Module incorporates a pressure transducer which will be zeroed at startup if the Module contains no
water. An accurate zero reference is obtained if the Module input port is open to the atmosphere during the
startup process. Refer to Section 4.3.3.6 on page 31 for more information on zeroing the pressure
measurement.
If you have not primed the vPad-IV analyzer yet, you should do so before starting any tests. For further
details, refer to Section 3.5 which begins on page 18.
Figure 20
Operation/Chapter 4
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