User's Manual

Table Of Contents
Viking VM600 Mobile Radio Operating Manual 1-3
Radio Overview
Note The availability of many features is controlled by field programming and by the options
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.
1.4 Available Options
Availability of optional features is controlled by factory programming of the control logic.
Only those features that are specifically ordered and enabled in a particular radio are
available for use and can be programmed. The optional features controlled by factory
programming are as follows.
P25 Options
P25 conventional mobile data
P25 trunked mobile data
P25 conventional operation
P25 trunked operation
Encryption Options
•DES
DES OFB
Draft 4/29/2014