53SL ES Series Mobile Radio Operating Manual April 2009
1-3
Radio Software and Configuration Programming
Section 1 - Radio Overview
• Multiple Configuration Options
- Dash Mount, Remote Mount, and Motorcycle Configurations
- 2 Control Heads
- Hand-Held Controller
- Internal or External Speaker
- Fixed Control Stations
- Siren Option
Note
The availability of many features is controlled by field programming and by which options
were ordered. See the EFJohnson Technologies product description and the following
sections in this manual for additional information.
1.2
Radio Software and Configuration Programming
The radio operating software can be easily updated to accommodate new releases and
updates issued from EFJohnson technical support.
1.3
Supported Software
This manual was prepared to support subscriber radio software release 9.1 used on this
radio. Some information in this manual may not be compatible with earlier subscriber
radio software releases.