©2012 Digitrax, Inc. www.digitrax.com 29
3. Press the * Key and you will see t followed by the last CV number used
by the DCS51. The A reminds you that you are in direct mode and the num-
ber displayed is the last CV used by the DCS51.
4. Enter the CV number you want to read back. If you want to read back the
decoder’s address, press the
## Key to toggle between Ad2 and Ad4.
Stop pressing the ## Key when the address mode you want to read
appears in the display.
5. Press the *& key to to read back the data value programmed into the
decoder for the CV selected. Your screen will show something like this:
The numbers will flash for a few seconds as the command station reads
back the data value in the decoder. The
d means that you are looking at the
CV’s data value that is programmed into the decoder, in this case the CV
value is 3.
6. You can now re-program the CV value or press the ,( key to resume nor-
mal operations.
"#( OPS Mode Programming on most systems is write only. OPS mode
Read back requires transponding decoders and transponding detectors on the
layout in order to provide the two way communication required for read back.
<;475B?/A7<;*
/?7/093*
$?<5?/::7;5
"<A3@
1. Check your decoder manufacturer’s manual for factory settings, recom-
mended CV value ranges and for instructions on resetting the CVs to facto-
ry settings.
2. It is good practice to record the changes you make to the CV values for
each decoder/locomotive combination. This will allow you to profile each
locomotive type for programming similar locomotives.
3. Resetting your decoder CV values to factory settings can eliminate some
problems caused by inadvertently changing a CV value.
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