Instructions

1. Exit signal and advance signal:
GN
RT1
WS
RT2
WS
GE
GE1
GE2
GN1
GN2
exit signal advance signal
Hp00 Sh1 Vr0
train stop
proceed
shunting
train stop dark switch
round/red/- round/red/- round/red/- round/red/-
1 2 3 4
straight/green/+ straight/green/+ straight/green/+ straight/green/+
proceed slow approach proceed slow approach
Hp1 Hp2 Vr1 Vr2
2. Station-entry or block signal and advance signal:
GE1
GE2
GN1
GN2
GNRT1
GN
GERT1
station entry- or block signal advance signal
Hp0 Vr0
train stop train stop dark switch
round/red/- round/red/- round/red/- round/red/-
1 2 3 4
straight/green/+ straight/green/+ straight/green/+ straight/green/+
proceed slow approach proceed slow approach
Hp1 Hp2 Vr1 Vr2
3. Line close signal and line close or block signal:
GN1
GE1
RT1
GN
RT1
GN
GE1
GN1
GE1
GN1
line close signal
Sh0 Hp0
stop shunting
train stop
round/red/- round/red/- round/red/- round/red/-
1 2 3 4
straight/green/+ straight/green/+ straight/green/+ straight/green/+
proceed shunting
proceed
Sh1 Hp1
line close- or block signal
Further sample connections are available at the internet on our Web-
Site (www.ldt-infocenter.com) at the section “Sample Connections”.
Additionally you can find detailed information about the Light signal-
decoder LS-DEC-DB at our Web site within the section “Digital-
Compendium”.
Programming the decoder addresses:
• The jumper J3 has to be inserted for the programming of the
decoder addresses.
• Switch on the power supply of your model rail way.
• Activate the programming key S1.
• At least two light emitting diodes on a signal connected to the
left clamp block (on this decoder side is the programming key S1)
will be automatically switched over every 1,5 seconds in a
flashing mode. This indicates that the decoder is in the
programming mode.
• Press now one key of the fourfold address-group to be
assigned to the left clamp block of the decoder. For programming
the decoder address you can also release a turnout switch signal
via a personal computer.
Remarks: The decoder addresses for magnet accessories also
to be used for the signal-aspects are combined into groups of
four. The address 1 to 4 build the first group. The address 5 to 8
build the second group etc. Each clamp block of a LS-DEC decoder
can be assigned to any of these groups. It does not matter which of
the eight possible keys used for programming will be activated. The
decoder stores always the complete group of keys.
• If the decoder has recognized the assignment correctly the
connected light emitting diode will flash a little faster. Afterwards
the flashing slows down to the initial 1,5 seconds again.
In case the decoder will not recognize the address it could be that
the two digital information connections (clamp2) are wrong
connected. For testing this, switch off the power supply, exchange
the connection on KL2 and start addressing again.
• Press now the programming key S1 again. At least two light
emitting diodes connected to the right clamp block will flash now.
Repeat the programming as described above.
• Now press the programming key S1 a third time for leaving the
programming mode. All signals will be automatically switched to
STOP.
Signal switching:
The opposite sample connections show how the fourfold address-
group can be set by use of 8 keys of the push button panel for setting
the turnouts or signals. Between each pair of keys are e.g. the
addresses 1 to 4. The two keys red and green for each address are
assigned to the turnout position round or straight respectively the
corresponding signal aspect which is indicated above or below key.
The actual address section is related to which fourfold address-
group has been selected during the programming.
If you use a remote control LH100 of Company Lenz Elektronik then
red will be the minus key and green the plus key.
Have you connected an advance- and an exit-signal as per first sample
to one of the clamps you can switch the exit-signal to proceed (Hp1)
with the address 1 and the key green.
The light emitting diode marked with GN will now indicate this at the
signal.
Dark switching:
In case an advance- and an exit-signal are on one common signal
post the advance-signal has to remain dark if the exit-signal
indicates STOP (Hp00) or proceed shunting (Sh1).
To activate the dark-switching-mode switch the home signal to Hp00
or Sh1. If you press now the key 4 'red' you can switch the advance-
signal-aspect to 'on' respectively to 'off' with each keystroke. If the
advance-signal is in 'off' position the dark-switching mode is activated.
The light signal decoder stores this mode permanently as well as
the programmed addresses. All programmed modes can be changed
at any time. The dark switching can be activated or deactivated only if
the jumper J3 has been inserted.
Advance signal commands received during the signal is switched to
dark will be indicated when the exit signal will be switched to Hp1 or
Hp2.
Accessory:
For easy assembly of the printed circuit board below your model rail
road base plate we offer a set of assembly material under the order
identification: MON-SET. Under LDT-01 you can purchase a low price
durable suitable case for the LS-DEC.
Attention:
The Light signal decoder LS-DEC switches the signal aspect not just
on and off but is dimming the light emitting diodes realistic up and
down. Even between the signal aspects a short off-phase is provided.
Further digital commands received during this switch-over-time of about
0,4 seconds will not be taken up from the decoder. Please take care
that the switching-commands are not in a to fast sequence. The
impression is absolutely realistic if the switching is considerable slow.
If the jumper J3 will be removed after programming of the decoder
addresses and after adjusting the dark switching mode the memory
storage of the Light signal decoder LS-DEC will be protected against
any alteration.
Made in Europe by
Littfinski DatenTechnik (LDT)
Kleiner Ring 9
D-25492 Heist/Germany
Phone: [phone] / 977 381 Fax: [phone] / 977 382
Internet: http://www.ldt-infocenter.com
Subject to technical changes and errors.  01/2013 by LDT
Märklin and Motorola are registered trade marks.