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Frequently Asked Questions
The following section is provided to help you with questions about your Northstar Echo Wireless Functional
Testing System.
What happens if I take the device out of range during a test?
If the device is transmitting to the receiver when it moves out of range (beyond 3 meters), communications
for all active devices can be lost and the data cannot be retrieved. To re-establish communications, move the
device back within the transmission range and restart the test.
Can my Northstar Echo receiver pick up signals from other devices like wireless phones or wireless
networks?
Wireless networks, cordless phones or other devices can potentially cause interference with your Northstar
Echo System. As a precaution, we recommend that you minimize their usage within the transmission range
of your Northstar Echo System.
Is there any other type of interference I need to worry about?
As with any radio transmission, high-powered electromagnetic devices should be avoided. For example, you
should not operate your system near microwave ovens or X-ray machines.
Can I block the signal during testing?
Unlike infrared systems, Northstar Echo is not based on line of sight, so standing between the device and the
receiver should not interfere with the signal, provided you are within the operational distance.
How do I know when the device’s battery is low?
See the device LED codes on page 4. Additionally, there is a “low battery” indicator in the software.
How long do devices continue to operate after the low power signal?
The amount of operational time after the low power signal varies for each device, but approximately 20 minutes.
Can I use the device without fully charging it?
Yes. The device will function without a full charge, but the operational time will be significantly reduced. You
should place the device back on the charger to completely charge the battery as soon as possible.
Warning:
Northstar Echo devices are not intended for use while attached to the charger. Never attempt
to operate the device while it is connected to the charger as electrical shock or damage to the device
may occur.
Warning:
Use only a factory-supplied, medical-grade power supply certified to charge medical devices.
Use of another charger may result in electrical shock or equipment damage. It is not recommended
that you charge the devices by connecting them to a computer.
How long do the batteries take to charge?
The initial charge may take up to six (6) continuous hours of charging to complete. The first charge is
important as it can affect the amount of power the battery will hold. Subsequent charges should be
completed between four (4) to (6) hours, or until the device indicates that charging is complete.
