TN175 MT-4E Firmware Upgrading
MT-4 Radio Systems
TECHNICAL NOTES
Page 4 of 4
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Upgrading Firmware version 1.6.0 and 1.7.0
If the current fi rmware version of the MT-4E Receiver or Transmitter is 1.6.0 or 1.7.0, a dialog box will appear as
shown in Figure 4, warning that the fi rmware is out of date and will require the Bootloader.
Figure 4: Version 1.6.0 and 1.7.0 Warning Dialog Box
Once the Bootloader is applied, the module’s fi rmware will appear as version 0.0.0. Firmware Version 2.0.0 is
required to be installed next and a dialog box will appear as shown in Figure 5.
Figure 5: Bootloader Warning Dialog Box
When installing Version 2.0.0, another dialog box will appear as shown in Figure 6, warning that the Bootloader
must have been applied before proceeding.
Figure 6: Version 2.0.0 Warning Dialog Box
Bringing the MT-4E Receiver or Transmitter module up to Firmware Version 2.0.0 is a two-step process, which is
required in order to apply any further fi rmware upgrades. Once this two-step process is completed, it will not be
required again. Firmware Version 2.0.0 is a “blank” fi rmware version and must be upgraded to the latest fi rmware
in order for the module to operate.
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