TN175 MT-4E Firmware Upgrading
MT-4 Radio Systems
TECHNICAL NOTES
Page 1 of 4
LMRSALES@CODANCOMMS.COM
CODANCOMMS.COMTECHNICAL NOTE:
TN175, REV 4-0-0, © Aug 2016
CANADA/US +1 250 382 8268 | TOLL FREE +1 800 664 4066
Codan Communications allows customers to upgrade the fi rmware of their MT-4E Receivers and Transmitters
via the Firmware Flashing Software and Firmware Upgrade fi les. The Firmware Flashing Software and Firmware
upgrade fi les are all available at the Codan website www.codancomms.com under Support - Software & Firmware.
It is not necessary to upgrade the fi rmware if the equipment is installed and is operating satisfactory. A fi rmware
upgrade is typically only needed to fi x minor software bugs or to upgrade the functionality of the equipment.
Firmware versions earlier than 1.6.0 must be returned to the factory for upgrading. Firmware version 1.6.0 and
1.7.0 may need to be returned to the factory for minor hardware upgrades. Contact the Codan service department
for more information.
Instructions
Please read all of these instructions before beginning the Firmware Flashing process.
Download the Firmware Flashing Software and appropriate Firmware upgrading fi les to a PC running a Windows
XP (or higher) operating system before beginning the upgrading procedure.
Choosing the Appropriate Firmware Upgrading Files
MT-4E Receivers and Transmitters can be purchased as an analog radio, or they can be purchased with the P25
Digital radio fi rmware package. If the radio is Analog only, download the Analog fi rmware upgrade, if it is P25 Digital
(and Analog) capable, download the Digital fi rmware upgrade. To determine if the MT-4E Receiver or Transmitter
is Analog only or P25 Digital, read the fi rmware version of the module using the Firmware Flashing Software or the
Radio Service Software as shown in Figure 1. If the last digit of the fi rmware version is an “a” or “0”, the fi rmware is
Analog only, if the last digit is a “d” or “1”, the fi rmware is P25 Digital and Analog.
NOTE: The Firmware Flashing Software will not allow you to program an MT-4E Receiver or Transmitter with the
wrong fi rmware upgrade
Figure 1: Version Number Examples
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