Mio R-4 Setup
Battery Low Indicator
When the battery charge level is too low to sustain continuous operation, the Mio R-4’s touchscreen will display a popup
window reading “Battery Low” as an initial warning, and then a popup window reading “Battery Very Low” to
encourage the user to shut it down. The device will then shut down to prevent a total discharge of the battery. To recharge
the battery, insert the Mio R-4 into the Mio Remote Charging Base (see Charging The Mio Remote with Charging Base
on page 78).
Customized Keypads
The Mio R-4 has the capacity to replace its default English keypad with an optional keypad in one of four languages for
Arabic, French, Italian, or Mandarin Chinese readers. The keypad may also be replaced with other keypads to support
other functions or arrangements of keys. The additional functions or arrangements are supported with firmware
upgrades, available for download at www.amx.com.
Installing Keypads
To install a new keypad:
1. Flip and turn the Mio R-4 so that the buttons are facing away from you and the device is upside down.
2. Holding the Mio R-4 in both hands, place your thumbs on the battery door and push up to slide the battery door
free.
3. Remove the battery.
4. Unscrew the 6 screw points indicated in FIG. 3.
5. Turn the unit over so the buttons are facing you.
6. Lift the top assembly away from the PCB.
Each of the alternate keypads requires the appropriate firmware download for proper
function; please refer to the Updating Firmware section on page 28 for more
information.
FIG. 3 Internal Mio R-4 Components
6 Screw Points
Programming Jack
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General
Weight and Dimensions
