User's Manual

Table Of Contents
Safety Information
Safety Information
l The handhled's battey is partially charged when shipped new from the factory.
l Before inserting or removing a SIM card, the Phone module must be powered off. To do this,
press and hold the Power button for two seconds to display the Power menu, then tap Enable
Airplane mode. Alternatively, use the Wireless Manager to disable only the Phone module.
l Do not operate the handheld withouth the card slot cover properly installed.
l
Your warranty is invalidated if you open or tamper with the outer casing of the
device.Unapproved modifications or operations beyond or in conflict with these instructions
for use may void authorization by the authorities to operate the equipment.
l
Only approved accessories may be used with the device. In general, all cables must be high
quality, shielded, correctly terminated and normally restricted to two meters in length. The
power supply approved for this product employs special provisions to avoid radio interference
and should not be alteredor substituted.
Radio use
Depending on the model, the Trimble® Jun T41handheld contains a Bluetooth® radio, a Wi-Fi
radio, and a cellular modem radio. In some situations, you may be required to turn off the radios.
For example, aviation authority regulations restrict the use of wireless transmission devices on
board aircraft.
To prevent the handheld from emitting radio signals, do one of the following:
l To put the handheld in airplane mode, press and hold the Power button for 3 seconds to
display the Power menu, then tap Enable Airplane mode. This mode turns off all wireless
connections.
l To turn off the handheld, press and hold the Power button for 3 seconds to display the Power
menu, then tap Power off.
l To turn off the Bluetooth, Wi-Fi, and wireless cellular modem radios only:
a. On the Home screen or the Start screen, tap the title bar, tap any of the radio icons and
then tap Wireless Manager. Or tap / Settings / Connections / Wireless Manager.
b. Tap All at the top of the screen to turn off all the radios.
Note – You may need to deactivate the Wi-Fi and/or Bluetooth radio in the handheld if the country in which
you are working does not approve the use of Wi-Fi and/or Bluetooth wireless technology. If you are unsure
about whether the Juno T41 handheld’s radios are approved for use in your country, check with your Trimble
reseller.
Trimble Juno T41 User Guide 8