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Juno ST Handheld User Guide 25
Getting Started 2
Low battery indicators
If the battery level becomes low during normal use of the handheld, the LED indicator
flashes red and the battery icon in the title bar of the Today screen changes to .
Back up your data and then recharge the battery.
Automatic power off settings
By default, the handheld is set to turn off automatically if
the handheld is not used for two minutes.
To change the time before the handheld automatically
turns off:
1. Tap the battery icon in the title bar of the
Today screen. The Power control appears.
2. Tap the Advanced tab.
3. From the On battery power option, select the Turn
off device if not used for check box and then select
the idle time from the drop-down list.
4. Tap
OK.
Conserving power
Although the handheld battery can operate for a full day without recharging, you
should try to conserve battery power as much as possible. Follow these tips to reduce
power consumption:
• Set the handheld to automatically turn off when idle. For more information, see
Automatic power off settings, above.
• Set the backlight to automatically turn off when the handheld is idle for a
specified time. For more information, see Backlight, page 39.
Note – Trimble GPS field applications override any automatic settings and keep the
backlight and the handheld turned on while connected to the GPS receiver.
• Turn off the integrated Bluetooth or WLAN radios whenever you are not using
them. For more information, see Using the Bluetooth radio, page 61 and Using
the WLAN radio, page 57.
• Disconnect from the integrated GPS receiver when GPS data is not required,
using the application’s Disconnect or Deactivate GPS option. When you
disconnect from GPS, the integrated GPS receiver switches off and stops
drawing power.
Note – Do not disconnect from GPS if you will be reconnecting within about five minutes. A
GPS application can take up to 30 seconds to reactivate the integrated GPS receiver, so
disconnecting to save power can cost time.