You may also want to look at the Saber Page.
Take a look at the programming cable.
Saber Accessory Connector Pinout
The pinout can be found here.
The Astro Saber uses a small, recessed, plunger type button, just under the retaining screw receptacle on the radio. This is how the radio decides whether to use the internal or external antenna, when pressed in, it selects the external antenna.
Out of Band Information
If you are using Depot Version B03.04.00 you should be able to change the bandsplits by hex editing the Runtime.odb file.
Search for the bottom/top of the bandsplit you are trying to change (on the ASCII side) and change it. There should be something like seven different places you need to change.
General Information
We've been told that you can use Lab RSS to get the Astro's out of band , and also to get them to do Modat. No specific details though.
If you have Astro Lab and press F4 then F9 from the Main screen, all Astro features can be enabled. Trunking, RAT Tones, MDC ID Display, Call Alert, Private Call, Battery voltage settings etc etc.
The radio uses a third generation keyloader, there is a retro kit to upgrade the DES-XL mkey key loader, and the data in and out pins are different.
Only keyloaders with a model suffix DX or later will properly keyload an Astro, while BX & CX (as well as DX) models will work fine with a regular Saber.