40 Programming a Dual-Radio System TM8260 Installation and Programming Guide© Tait Limited October 20144.3 Recommended Dual-Radio SettingsThe programming configuration of all devices must be as similar as possible,with the exception of the operating band, radio name, channels and groups.If features relating to the user interface (such as function keys, radio menus,and backlighting), and other features like the security lock are different,there may be unexpected behavior when powering on or switching betweenthe radios.The following settings are recommended for a dual-radio system. Use thistable when setting up a template file, before programming the system (see“Programming a Dual-Radio System” on page 38).Table 4.1 Recommended dual-radio settingsField/Feature Location CommentsRadio Name Global > Specifications form The radio name, if used, should be different forboth radio bodies in the system.Power On Mode Global > Start-up form The power on mode must be the same for alldevices in the system.Power-up on LastActive BodyGlobal > Start-up form This check box must be the same for all devices inthe system.Reset on Error Global > Start-up form The Reset on Error check box must be the samefor all devices in the system.Security Lock on Power Upand Security PINGlobal > Start-up form If the security PIN is enabled, it must be enabled(and have the same PIN) for all devices in thesystem.PTT fields Global > PTT form PTT settings for both radio bodies are used whenin dual-transmit mode and the radio user pressesthe PTT. Care should be taken if programming PTTbehavior differently between the radio bodies. PTTsettings are typically set the same for all devices inthe system.Startup (Channel or Group) Conventional >Conventional UI formYou can program this option for the foregroundradio (the radio body with the lowest NTID) tostart on a specific channel or group each time theradio system is turned on. You can also programthis option for the background radio to default toa specific channel or group after the radio systemis turned on, and the radio user subsequentlyswitches the active radio or enables dual receive.Selcall Stun and Revive Conventional > Selcall >Control Status formSelcall stun and revive functionality is currently notsupported for TM8260 radio systems. If the stunand revive control status types are used, set theequivalent Rx Processing fields to No for alldevices.