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17.5 Reading Back CV Values Programmed
DCS100 and DCS50 command stations allow read back of the configuration
variable values programmed into your decoders. Since you must use the pro-
gramming track for this, DT402 and DT402Rs must be plugged into LocoNet
to read back CV and their values. The DT402D can read back while not
plugged in.
Systems with a DB150 command station are not able to read back CV Values
programmed into decoders.
1. Place the decoder-equipped locomotive you want to program on the pro-
gramming track. You can also do an ops mode read back with Digitrax
transponding decoders if you have a LocoNet device that allows ops mode
read back plugged in to LocoNet.
2. Enter Program Mode by pressing the
PROG
key to enter programming
mode. The display will show the last CV and CV Value you programmed.
3. Select the programming mode you wish to use by pressing the
PROG
key
until the method you want appears in the Mode Indicator. You can read
back in
P
G
, P
H
, Pd
, or
Po
modes with the following restrictions:
P
G
- Paged Mode no restrictions
P
H
- Physical Register Mode can only read CV01-CV08. You should not
rely on values in the display for CVs above 08 when reading back in
physical register mode.
Pd - Direct Mode no restrictions
Po - Operations Mode read back can only be used with Digitrax decoders
that are capable of ops mode read back when there is a device
attached to LocoNet that supports ops mode read back. Digitrax
transponding decoders and DCS100 would allow ops mode read back.
4. To read back the CV value programmed for the
two-digit address
, use the
L
Throttle
knob to dial up Ad02 (CV01) on the left side of the text area and
then press the
DISP
key. The text area will show
Ad2 =rd
followed by a
flashing box. When the read back is finished, the CV value (the 2-digit
address) will be displayed on the right side of the text area.
5. To read back the
4-digit address
that is programmed into the decoder use
the
L
Throttle
knob to dial up Ad02 on the left side of the text area, then
press the R throttle knob to change to Ad4. The text area of the display
will show
Ad4=????
(disregard any value that appears at this time). Press
the
DISP
key and the display will change to
Ad4=8rd
followed by the
flashing box. When the read back is finished the 4 digit address will be
displayed on the right side of the text area.