Bosch LTC 2009 Series User manual

Instruction Manual
EN Monochrome Video
Monitors
LTC 2009, LTC 2012, LTC 2017, LTC 2020 Series

LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Important Safeguards EN |2
Bosch Security Systems | 16 July 2004
Important Safeguards
1. Read, Follow, and Retain Instructions - All safety
and operating instructions should be read and
followed before operating the unit. Retain instructions
for future reference.
2. Heed Warnings - Adhere to all warnings on the unit
and in the operating instructions.
3. Attachments - Attachments not recommended by
the product manufacturer should not be used, as they
may cause hazards.
4. Installation Cautions - Do not place this unit on an
unstable stand, tripod, bracket, or mount. The unit
may fall, causing serious injury to a person and
serious damage to the unit. Use only manufacturer-
recommended accessories, or those sold with the
product. Mount the unit per the manufacturer's
instructions. Appliance and cart combination should
be moved with care. Quick stops, excessive force, or
uneven surfaces may cause the appliance and cart
combination to overturn.
5. Cleaning - Unplug the unit from the outlet before
cleaning. Follow any instructions provided with the
unit. Generally, using a damp cloth for cleaning is
sufficient. Do not use liquid cleaners or aerosol
cleaners.
6. Servicing - Do not attempt to service this unit
yourself. Opening or removing covers may expose
you to dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.
7. Damage Requiring Service - Unplug the unit from
the main AC power source and refer servicing to
qualified service personnel under the following
conditions:
•When the power supply cord or plug is damaged.
•If liquid has been spilled or an object has fallen
into the unit.
•If the unit has been exposed to water and/or
inclement weather (rain, snow, etc.).
•If the unit does not operate normally, when
following the operating instructions. Adjust only
those controls specified in the operating
instructions. Improper adjustment of other controls
may result in damage, and require extensive work
by a qualified technician to restore the unit to
normal operation.
•If the unit has been dropped or the cabinet
damaged.
•If the unit exhibits a distinct change in
performance, this indicates that service is needed.
8. Replacement Parts - When replacement parts are
required, the service technician should use
replacement parts specified by the manufacturer or
that have the same characteristics as the original part.
Unauthorized substitutions may result in fire,
electrical shock or other hazards.
9. Safety Check - Upon completion of servicing or
repairs to the unit, ask the service technician to
perform safety checks to ensure proper operating
condition.
10. Power Sources - Operate the unit only from the type
of power source indicated on the label. If unsure of
the type of power supply to use, contact your dealer
or local power company.
•For units intended to operate from battery power,
refer to the operating instructions.
•For units intended to operate with External Power
Supplies, use only the recommended approved
power supplies.
•For units intended to operate with a limited power
source, this power source must comply with
EN60950. Substitutions may damage the unit or
cause fire or shock.
•For units intended to operate at 24VAC, normal
input voltage is 24VAC. Voltage applied to the
unit's power input should not exceed 30VAC.
User-supplied wiring, from the 24VAC supply to
unit, must be in compliance with electrical codes
(Class 2 power levels). Do not ground the 24VAC
supply at the terminals or at the unit's power
supply terminals.
11. Coax Grounding - If an outside cable system is
connected to the unit, ensure that the cable system is
grounded. U.S.A. models only - Section 810 of the
National Electrical Code, ANSI/NFPA No.70,
provides information regarding proper grounding of
the mount and supporting structure, grounding of the
coax to a discharge unit, size of grounding
conductors, location of discharge unit, connection to
grounding electrodes, and requirements for the
grounding electrode.
12. Grounding or Polarization - This unit may be
equipped with a polarized alternating current line
plug (a plug with one blade wider than the other).
This safety feature allows the plug to fit into the
power outlet in only one way. If unable to insert the
plug fully into the outlet, try reversing the plug. If the
plug still fails to fit, contact an electrician to arrange
replacement of the obsolete outlet. Do not defeat the
safety purpose of the polarized plug.
Alternately, this unit may be equipped with a
3-wire grounding plug (a plug with a third pin, for
grounding). This safety feature allows the plug to fit
into a grounding power outlet only. If unable to insert
the plug into the outlet, contact an electrician to
arrange replacement of the obsolete outlet. Do not
defeat the safety purpose of the grounding plug.
13. Lightning - For added protection during a lightning
storm, or when this unit is left unattended and
unused for long periods of time, unplug the unit from
the wall outlet and disconnect the cable system. This
will prevent damage to the unit due to lightning and
power line surges.

LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Safety Precautions EN |3
Bosch Security Systems | 16 July 2004
For Indoor Product
1. Water and Moisture - Do not use this unit near
water - for example, in a wet basement, in an
unprotected outdoor installation or in any area
classified as a wet location.
2. Object and Liquid Entry - Never push objects of
any kind into this unit through openings, as they
may touch dangerous voltage points or short out
parts that could result in a fire or electrical shock.
Never spill liquid of any kind on the unit.
3. Power Cord and Power Cord Protection - For
units intended to operate with 230VAC, 50Hz,
the input and output power cord must comply
with the latest versions of IEC Publication 227 or
IEC Publication 245.
Power supply cords should be routed so they are
not likely to be walked on or pinched. Pay
particular attention to location of cords and plugs,
convenience receptacles, and the point of exit
from the appliance.
4. Overloading - Do not overload outlets and
extension cords; this can result in a risk of fire or
electrical shock.
For Outdoor Product
Power Lines - An outdoor system should not be
located in the vicinity of overhead power lines,
electric lights or power circuits, or where it may
contact such power lines or circuits. When
installing an outdoor system, extreme care should
be taken to keep from touching power lines or
circuits, as this contact might be fatal. U.S.A.
models only - refer to the National Electrical
Code Article 820 regarding installation of CATV
systems.
For Rack-mount Product
1. Ventilation - This unit should not be placed in a
built-in installation or rack, unless proper
ventilation is provided, or the manufacturer’s
instructions have been adhered to. The
equipment must not exceed its maximum
operating temperature requirements.
2. Mechanical Loading - Mounting of the
equipment in a rack shall be such that a
hazardous condition is not achieved due to
uneven mechanical loading.
Safety Precautions
Attention: Installation should be performed by
qualified service personnel only in accordance
with the National Electrical Code or applicable
local codes.
Power Disconnect. Units with or without
ON-OFF switches have power supplied to the
unit whenever the power cord is inserted into the
power source; however, the unit is operational
only when the ON-OFF switch is in the ON
position. The power cord is the main power
disconnect for all units.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE COVER
(OR BACK). NO USER SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
This symbol indicates the presence of
uninsulated “dangerous voltage” within the
product’s enclosure. This may constitute a
risk of electric shock.
The user should consult the operating and
maintenance (servicing) instructions in the
literature accompanying the appliance.
Cover Removal
WARNING: Removal of the cover should only be
performed by qualified service personnel - not user
serviceable. The unit should always be unplugged before
removing the cover and remain unplugged while the
cover is removed.

LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | FCC & ICES Information EN |4
Bosch Security Systems | 16 July 2004
Sécurité
Attention : l'installation doit exclusivement être réalisée par du
personnel qualifié, conformément au code national d'électricité
américain (NEC) ou au code d'électricité local en vigueur.
Coupure de l'alimentation. Qu'ils soient pourvus ou non d'un
commutateur ON/OFF, tous les appareils reçoivent de l'énergie une
fois le cordon branché sur la source d'alimentation. Toutefois,
l'appareil ne fonctionne réellement que lorsque
le commutateur est réglé sur ON. Le débranchement du cordon
d'alimentation permet de couper l'alimentation des appareils.
ATTENTION : POUR ÉVITER TOUT RISQUE D'ÉLECTROCUTION,
N'ESSAYEZ PAS DE RETIRER LE CAPOT (OU LE PANNEAU
ARRIÈRE). CET APPAREIL NE CONTIENT AUCUN COMPOSANT
SUSCEPTIBLE D'ÊTRE RÉPARÉ PAR L'UTILISATEUR. CONFIEZ
LA RÉPARATION DE L'APPAREIL À DU PERSONNEL QUALIFIÉ.
Ce symbole signale que le produit renferme une « tension
potentiellement dangereuse » non isolée susceptible de
provoquer une électrocution.
Ce symbole invite l'utilisateur à consulter les instructions
d'utilisation et d'entretien (dépannage) reprises dans la
documentation qui accompagne l'appareil.
Sicherheitshinweise
Achtung! Die Installation sollte nur von qualifiziertem
Kundendienstpersonal gemäß jeweils zutreffender
Elektrovorschriften ausgeführt werden.
Unterbrechung des Netzanschlusses. Geräte mit oder ohne
Netzschalter haben Spannung am Gerät anliegen, sobald der
Netzstecker in die Steckdose gesteckt wird. Das Gerät ist jedoch
nur betriebsbereit, wenn der Netzschalter (EIN/AUS) auf EIN
steht. Wenn das Netzkabel aus der Steckdose gezogen wird, ist
die Spannungszuführung zum Gerät vollkommen unterbrochen.
VORSICHT: UM EINEN ELEKTRISCHEN SCHLAG ZU
VERMEIDEN, IST DIE ABDECKUNG (ODER RÜCKSEITE) NICHT
ZU ENTFERNEN. ES BEFINDEN SICH KEINE TEILE IN DIESEM
BEREICH, DIE VOM BENUTZER GEWARTET WERDEN
KÖNNEN. LASSEN SIE WARTUNGSARBEITEN NUR VON
QUALIFIZIERTEM WARTUNGSPERSONAL AUSFÜHREN.
Das Symbol macht auf nicht isolierte „gefährliche Spannung"
im Gehäuse aufmerksam. Dies kann zu einem elektrischen
Schlag führen.
Der Benutzer sollte sich ausführlich über Anweisungen für
die Bedienung und Instandhaltung (Wartung) in den
begleitenden Unterlagen informieren.
Precauciones de Seguridad
Atención: la instalación la debe realizar únicamente personal
cualificado de conformidad con el National Electric Code o las
normas aplicables en su país.
Desconexión de la alimentación. Las unidades con o sin
interruptores de encendido/apagado reciben alimentación
eléctrica siempre que el cable de alimentación esté conectado a
la fuente de alimentación. Sin embargo, la unidad sólo funciona
cuando el interruptor está en la posición de encendido. El cable
de alimentación es la principal fuente de desconexión de todas
las unidades.
PRECAUCIÓN: PARA DISMINUIR EL RIESGO DE DESCARGA
ELÉCTRICA, NO RETIRE LA CUBIERTA (NI LA PARTE
POSTERIOR). NO EXISTEN PIEZAS DE RECAMBIO EN EL
INTERIOR DEL EQUIPO. EL PERSONAL DE SERVICIO
CUALIFICADO SE ENCARGA DE REALIZAR LAS
REPARACIONES.
Este símbolo indica que existen puntos de tensión peligrosos
sin aislamiento dentro de la cubierta de la unidad. Estos
puntos pueden constituir un riesgo de descarga eléctrica.
El usuario debe consultar las instrucciones de funcionamiento y
mantenimiento (reparación) en la documentación que se
suministra con el aparato.
FCC & ICES INFORMATION
(U.S.A. and Canadian Models Only)
This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired
operation.
NOTE: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules and ICES-003 of Industry Canada. These limits
are designed to provide reasonable protection against harmful
interference when the equipment is operated in a residential
installation. This equipment generates, uses and can radiate radio
frequency energy, and if not installed and used in accordance
with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer, or an experienced radio/TV technician for
help.
Intentional or unintentional changes or modifications, not
expressly approved by the party responsible for compliance, shall
not be made. Any such changes or modifications could void the
user’s authority to operate the equipment.The user may find the
following booklet, prepared by the Federal Communications
Commission, helpful: How to Identify and Resolve Radio-TV
Interference Problems. This booklet is available from the U.S.
Government Printing Office, Washington, DC 20402,
Stock No. 004-000-00345-4.

LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Safety Precautions EN |5
Bosch Security Systems | 16 July 2004
Sicurezza
Attenzione: l'installazione deve essere effettuata esclusivamente
da personale tecnico qualificato in conformità con il National
Electrical Code o con le normative locali vigenti.
Scollegamento dell'alimentazione. Le unità dotate o sprovviste di
interruttori ON-OFF vengono alimentate quando si inserisce il
cavo nella presa dell'alimentazione. L'unità è tuttavia in funzione
solo quando l'interruttore ON-OFF si trova nella posizione ON. Il
cavo di alimentazione costituisce il dispositivo di scollegamento
dell'alimentazione principale per tutte le unità.
ATTENZIONE: PER RIDURRE IL RISCHIO DI SCOSSE
ELETTRICHE NON RIMUOVERE LA COPERTURA (O IL
PANNELLO POSTERIORE). L'UNITÀ NON CONTIENE
COMPONENTI INTERNI RIPARABILI DALL'UTENTE. PER
QUALSIASI INTERVENTO, RIVOLGERSI A PERSONALE
TECNICO QUALIFICATO.
Questo simbolo indica la presenza di "tensione pericolosa" non
isolata all'interno del contenitore del prodotto. Ciò comporta un
potenziale rischio di scosse elettriche.
Si consiglia di consultare le istruzioni operative e di
manutenzione (interventi tecnici) contenute nella
documentazione fornita con il dispositivo.
Veiligheidsmaatregelen
Attentie: het apparaat mag alleen door gekwalificeerd personeel
worden geïnstalleerd. De installatie dient in overeenstemming
met de nationale elektrische richtlijnen of de van toepassing
zijnde lokale richtlijnen te worden uitgevoerd.
Spanning uitschakelen. Apparatuur met of zonder
aan-uitschakelaar staat onder spanning zolang de stekker is
aangesloten op de wandcontactdoos. De apparatuur is uitsluitend
in werking als de aan-uitschakelaar aan staat. Het netsnoer is de
"hoofdschakelaar" voor alle apparatuur.
VOORZICHTIG: OPEN DE BEHUIZING OF DE ACHTERKANT
VAN HET APPARAAT NIET. ZO VERMINDERT U HET RISICO
OP ELEKTRISCHE SCHOKKEN. IN HET APPARAAT
BEVINDEN ZICH GEEN ONDERDELEN DIE U ZELF KUNT
REPAREREN. LAAT SERVICE EN ONDERHOUD UITVOEREN
DOOR GEKWALIFICEERD PERSONEEL.
Dit symbool geeft aan dat er binnen in het apparaat
ongeïsoleerde, gevaarlijke spanning aanwezig is die mogelijk
elektrische schokken kan veroorzaken.
De gebruiker dient de bedienings- en onderhoudsvoorschriften
te raadplegen in de documentatie die werd meegeleverd met
het apparaat.
Medidas de Segurança
Atenção: a instalação deve ser executada apenas por técnicos
qualificados da assistência, de acordo com o código eléctrico
nacional ou os códigos locais aplicáveis.
Corte de corrente. As unidades com ou sem interruptores
ON-OFF (ligar/desligar) recebem corrente sempre que o fio de
alimentação está introduzido na fonte de alimentação; contudo, a
unidade apenas está operacional quando o interruptor ON-OFF
está na posição ON. O fio de alimentação destina-se a desligar a
corrente em todas as unidades.
CUIDADO: PARA REDUZIR O RISCO DE CHOQUE
ELÉCTRICO, NÃO RETIRE A TAMPA (OU A PARTE
POSTERIOR). NO INTERIOR, NÃO EXISTEM PEÇAS QUE
POSSAM SER REPARADAS PELO UTILIZADOR. REMETA A
ASSISTÊNCIA PARA OS TÉCNICOS QUALIFICADOS.
Este símbolo indica a presença de "tensão perigosa" não
isolada dentro da estrutura do produto, o que pode constituir
risco de choque eléctrico.
O utilizador deve consultar as instruções de funcionamento
e manutenção (assistência) nos documentos que
acompanham o aparelho.

EN |6
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Contents
Table of Contents
Important Safeguards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
FCC & ICES Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.1Monitor Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.2Monitor Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.3Additional Features of 17in. Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.4Additional Features of 20in. Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.1 Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.2 Connection - Mains Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.3 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4.1 Operating Controls and Connectors for 9in. & 12in. Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4.2 Operating Controls and Connectors for 17in. Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4.3 Operating Controls and Connectors for 20in. Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
APPENDIX A TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
APPENDIX B ILLUSTRATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

EN |7
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Introduction
1INTRODUCTION
1.1 Monitor Types
Monitors:
LTC 2009/51 9in. Monitor (CCIR) 230VAC 50Hz
LTC 2009/61 9in. Monitor (EIA) 120VAC 60Hz
LTC 2012/51 12in. Monitor (CCIR) 230VAC 50Hz
LTC 2012/61 12in. Monitor (EIA) 120VAC 60Hz
LTC 2017/50 17in. Monitor (CCIR) 230VAC 50Hz
LTC 2017/60 17in. Monitor (EIA) 120VAC 60Hz
LTC 2020/90 20in. Monitor (CCIR/EIA)100 to 240VAC
50/60Hz
1.2 Monitor Features
•Possible use as a closed circuit television
monitor, or as a video preview/playback monitor
•Loop-through connection - Video IN and OUT
•Electrical circuits provide safeguards against
interference, noise, and changing signal strengths
to maintain a clear, stable picture
•Auto-termination BNC connector
•Detachable power cord for the LTC 2009,
LTC 2012, and LTC 2020
1.3 Additional Features of 17in. Monitors
•Switchable scanning size (Over scan &
under scan)
•Switchable DC restoration
1.4 Additional Features of 20in. Monitor
•Video A and Video B inputs
•Audio input/output with volume control
•Switchable scanning size on front panel (Over
scan & under scan)
•Switchable DC restoration
•Automatic scan system selectable (CCIR/EIA)
•Universal power (90 to 264VAC)
2SERVICE
If the unit ever needs repair service, the customer
should contact the nearest Bosch Security Systems, Inc.
Service Center for return authorization and shipping
instructions.
Service Centers
USA
Phone: [phone] or 717-735-6638
fax: [phone] or 717-735-6639
CCTV Spare Parts
Phone: [phone] or 408-956-3853 or 3854
fax: [phone]
e-mail: [email protected].com
Canada
Phone: [phone]
Europe, Middle East & Asia Pacific Region
Phone: [phone]
For additional information, see
www.boschsecuritysystems.com.
3INSTALLATION
Read these instructions carefully.
Up to three (3) monitors can be connected using the
loop-through feature (see FIGURES 3, 6, & 9).
When the monitor is connected to additional monitors,
the same picture can be obtained on all connected
monitors.
3.1 Ventilation
To prevent overheating, ensure that the ventilation
openings in the monitor cabinet are not covered.
3.2 Connection - Mains Supply
Model Rated Voltage Power at Sync
No. Voltage Range Rated Format
Voltage
LTC 2009/51 230VAC 50Hz 198 to 264 18W CCIR
LTC 2009/61 120VAC 60Hz 108 to 132 18W EIA
LTC 2012/51 230VAC 50Hz 198 to 264 18W CCIR
LTC 2012/61 120VAC 60Hz 108 to 132 18W EIA
LTC 2017/50 230VAC 50Hz 198 to 264 27W CCIR
LTC 2017/60 120VAC 60Hz 108 to 132 27W EIA
LTC 2020/90 100-240VAC 90 to 264 45W CCIR/
50/60Hz EIA

EN |8
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Operation
The LTC 20xx/5x monitors are delivered with a 2 pole
Euro connector.
The LTC 20xx/6x monitors are delivered with a 3 pole
US-style connector.
The LTC 2020/90 monitor is delivered with a 2 pole
Euro cord and a 3-pole US cord.
To change the connector, cut it off and mount your
own approved connector.
IMPORTANT: The wires in the fixed mains
lead for the LTC 2017 are colored according to
the following code:
LTC 2017/50 (220-240VAC):
Blue = Neutral
Brown = Live
Green/Yellow = Safety Earth
LTC 2017/60 (100-120VAC):
White = Neutral
Black = Live
Green = Safety Earth
3.3 Connections
Single monitor
See FIGURE 2 for 9in. & 12in. monitors, see
FIGURE5for 17in. monitor, and see FIGURE 8 for
20in. monitor.
Looped-through monitors
Up to three monitors can be connected in series by
using the VIDEO IN and VIDEO OUT connectors
(see FIGURES 3, 6 & 9).
While operating in single connection mode,
impedance is automatically set to 75Ωby the input of
a signal on the input connector. However, if a cable is
connected to the output connector, the connection is
placed into open status by the multiple connection,
and high impedance is automatically selected.
NOTE: Do not leave an unused cable connected to the
monitor. If a single cable is used, it must be connected
to the input connector so the 75Ωauto-termination
selector functions properly.
4OPERATION
4.1 Operating Controls and Connectors
for 9in. & 12in. Monitors (FIGURE1)
Item Control /
Switch Function
(1) POWER
Switch
Press the power on/off switch to turn the
monitor on. Press again to turn the monitor off.
(2) CONTRAST Adjusts contrast between the black and the
white portions of the picture.
(3) BRIGHT Adjusts brightness of the picture; should be
used in conjunction with the CONTRAST
control (2).
(4) V-HOLD When the picture is rolling up or down, adjust
this control until a stable single picture is
obtained.
(5) H-HOLD When the picture has slanting horizontal bars,
rotate this control in either direction until a
stable picture is obtained.
(6) AC INPUT
Socket
Connect the AC power cord (supplied) to this
socket and to a mains outlet.
(7) VIDEO
IN/OUT
Connectors
For receiving output from a camera, VCR, or
another monitor, and for connecting the video
output of the monitor to the video input of
another monitor or VCR.
(8) EIA - CCIR
Switch
This switch is set to the appropriate position,
corresponding to the video format and power
supply.
(9) V-HEIGHT
(Vertical
Height)
Adjust this control for the vertical size of the
picture.
(10) V-LIN
(Vertical
Linearity)
Adjust this control for the vertical linearity of the
picture.

EN |9
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Operation
4.2 Operating Controls and
Connectors for 17in. Monitor
(FIGURE 4)
4.3 Operating Controls and Connectors
for 20in. Monitor (FIGURE 7)
Item Control /
Switch Function
(1) POWER
Switch
Press the power on/off switch to turn the
monitor on. Press again to turn the monitor
off.
(2) CONTRAST Adjusts contrast between the black and
the white portions of the picture.
(3) BRIGHT Adjusts brightness of the picture; should
be used in conjunction with the
CONTRAST control (2).
(4) V-HOLD When the picture is rolling up or down,
adjust this control until a stable single
picture is obtained.
(5) H-HOLD When the picture has slanting horizontal
bars, rotate this control in either direction
until a stable picture is obtained.
(6) AC INPUT
Socket
Connect the fixed AC power cord to a
mains outlet.
(7) VIDEO IN/OUT
Connectors
For receiving output from a camera, VCR,
or another monitor, and for connecting the
video output of the monitor to the video
input of another monitor or VCR.
(8) SCAN
(Over/Under
Scan) Switch
Set to OVER to see normal CCTV
application. Set to UNDER to see entire
picture.
(9) DC
RESTORATION
Switch
DC restored operation (ON position)
provides all shades of gray level from
black to white, faithfully, on the monitor,
and is recommended in high light level
CCTV applications. DC restoration OFF is
recommended in low light level CCTV
applications.
(10) V-LIN (Vertical
Linearity)
Adjust this control for the vertical linearity
of the picture.
(11) V-HEIGHT
(Vertical Height)
Adjust this control for the vertical size of
the picture.
(12) H-WIDTH
(Horizontal
Width)
Adjust this control for the horizontal size of
the picture in Over/Under scan.
Item Control /
Switch Function
(1) POWER
Switch
Press the power on/off switch to turn the
monitor on. Press again to turn the monitor off.
(2) VIDEO Switch Toggle to select A for a signal fed through the
Video A connectors, or B for a signal fed
through the Video B connectors.
(3) SCAN
(Over/Under
Scan) Switch
Set to OVER to see normal CCTV application.
Set to UNDER to see entire picture.
(4) VOLUME Adjusts the audio sound.
(5) SHARPNESS Adjusts picture sharpness.
(6) CONTRAST Adjusts contrast between the black and the
white portions of the picture.
(7) BRIGHTNESS Adjusts brightness of the picture, and should
be used in conjunction with the CONTRAST
control (6).
(8) H-HOLD When the picture has slanting horizontal bars,
rotate this control in either direction until a
stable picture is obtained.
(9) V-HOLD When the picture is rolling up or down, adjust
this control until a stable single picture is
obtained.
(10) H-SIZE
(Horizontal
Size)
Adjusts the horizontal size of the picture.
(11) V-SIZE
(Vertical Size)
Adjusts the vertical size of the picture.
(12) Speaker Audio speaker.
(13) AC INPUT
Socket
Connect the AC power cord (supplied) to this
socket and to a mains outlet.
(14) VIDEO
IN/OUT (Video
A/Video B)
Connectors
For receiving the output from a camera, VCR,
or another monitor, and for connecting the
video output of the monitor to the Video input
of another monitor or VCR.
(15) AUDIO
IN/OUT
Connectors
For receiving audio from a VCR, another
monitor, or other equipment. Loop through
connection to input of other equipment.
(16) DC
RESTORATION
Switch
DC restored operation (ON position) provides
all shades of gray level from black to white,
faithfully, on the monitor, and is recommended
in high light level CCTV applications. DC
restoration OFF is recommended in low light
level CCTV applications.
(17) V-LIN (Vertical
Linearity)
Adjusts the vertical linearity of the picture.

EN |10
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Appendix A Technical Data
APPENDIX A TECHNICAL DATA
Electrical
Model Rated Voltage Power at Sync
No. Voltage Range Rated Voltage Format
LTC 2009/51 230VAC 50Hz 198 to 264 18W CCIR
LTC 2009/61 120VAC 60Hz 108 to 132 18W EIA
LTC 2012/51 230VAC 50Hz 198 to 264 18W CCIR
LTC 2012/61 120VAC 60Hz 108 to 132 18W EIA
LTC 2017/50 230VAC 50Hz 198 to 264 27W CCIR
LTC 2017/60 120VAC 60Hz 108 to 132 27W EIA
LTC 2020/90 230VAC 50Hz 90 to 264 45W CCIR
120VAC 60Hz /EIA
Monochrome System CCIR/EIA, selectable on LTC 2009,
LTC 2012, LTC 2017
Auto-selectable on LTC 2020
Display Tube Measured diagonally, 90° deflection angle
LTC 2009 23cm (9in)
LTC 2012 30cm (12in)
LTC 2017 43cm (17in)
LTC 2020 51cm (20in)
Viewable Picture Area LTC 2009 22cm (9in)
LTC 2012 29cm (11in)
LTC 2017 41cm (16in)
LTC 2020 49cm (19in)
Linearity Horizontal 10% max
Vertical 10% max
Horizontal Resolution LTC 2009, LTC 2012 800TVL
LTC 2017 800TVL
LTC 2020 900TVL
Video Input
Composite video 0.5 to 2.0Vpp. sync negative. Auto-
switching from 75Ωunbalanced
termination to Hi-Z with looped
through operation. Two video inputs
(LTC 2020/90 only).
Controls
LTC 2009 & LTC 2012 Power, Contrast, Brightness, V-Hold,
H-Hold, EIA/CCIR switch, V-Height, V-Lin.
LTC 2017 Power, Contrast, Brightness, V-Hold,
H-Hold, Under/Over Scan,
DC-Restoration, V-Height, V-Lin.
LTC 2020 Power, Video A/B, Volume, Sharpness,
Contrast, Brightness, V-Hold, H-Hold,
Under/Over Scan, DC-Restoration,
V-Size, H-Size, V-Lin.
Connectors
LTC 2009 & LTC 2012 Power input socket, 2 BNC Video input
LTC 2017 Power input lead, 2 BNC Video input
LTC 2020 Power input socket, 4 BNC Video input
Audio Input (LTC 2020/90 only)
RCA pin, bridge-out possible
Two (2) RCA phone jacks
Audio Output (LTC 2020/90 only)
Speaker: 1W loop-through line level
Power Cord Approx. 1.8m (6ft) with European
Continental type 2.4m (8ft) with US-type
plug
Mechanical
Cabinet Material Steel with plastic front
Finish Charcoal
Dimensions (H x W x D)
LTC 2009 234 x 220 x 248mm (9.2 x 8.7 x 9.6in)
LTC 2012 287 x 305 x 306mm (11.3 x 12 x 12in)
LTC 2017 386 x 419 x 381mm (15.2 x 16.5 x 15in)
LTC 2020 441 x 445 x 380mm (17.4 x 17.5 x 14.96in)
Weight LTC 2009 4.3kg (9.5lb)
LTC 2012 8.9kg (19.6lb)
LTC 2017 15kg (33lb)
LTC 2020 17.7kg (39lb)
Environmental
Temperature Operation: -10 to +50 °C (+14 to +122 °F)
Storage: -10 to +50 °C (+14 to +122 °F)
Humidity Operating: 30 to 90% (noncondensing)
Product Regulatory Compliance
Electromagnetic Compatibility (EMC)
Complies with FCC Part 15, ICES-003,
and CE regulations
Product Safety Complies with CE regulations, UL, CSA,
EN, and IEC Standards
Complies with DHHS Rules 21 CFR
Accessories
LTC 9009/00 Rack Kit For mounting two (2) LTC 2009 Series
Monitors in an EIA 19in. rack. One rack
unit wide by 6 rack units high.
LTC 9009/01 Blank Panel For use with LTC 9009/00 Rack Kit when
mounting only one LTC 2009 Series
Monitor in an EIA 19in. rack.
LTC 9012/00 Rack Kit For mounting one (1) LTC 2012 Series
Monitor in an EIA 19in. rack. One rack
unit wide by 7 rack units high.
LTC 9017/00 Rack Kit For mounting one LTC 2017 Series
Monitor in an EIA 19in. rack. One rack
unit wide by 10 rack units high.

EN |11
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Appendix B Illustrations
APPENDIX B ILLUSTRATIONS
Fig. 1 Monitors LTC 2009 and LTC 2012
Fig. 2 Monitors LTC 2009 and LTC 2012 Connection
Fig. 3 Monitors LTC 2009 and LTC 2012 Looped Through Connection
H-HOLD V-HOLD BRIGHT CONTRAST
AC IN VIDEO EIA CCIR V-HEI
V-LIN
78910
1
2
3
4
56
AC IN VIDEO EIA CCIR V-HEI
V-LIN
BOSCH
AC IN VIDEO EIA CCIR V-HEI
V-LIN
12:09:98
VCR
BOSCH
AC IN VIDEO EIA CCIR V-HEI
V-LIN
AC IN VIDEO EIA CCIR V-HEI
V-LIN
AC IN VIDEO EIA CCIR V-HEI
V-LIN
From Video source

EN |12
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Illustrations
Fig. 4 Monitor LTC 2017
Fig. 5 Monitor LTC 2017 Connection
Fig. 6 Monitor LTC 2017 Looped Through Connection
V-HEIGHT
789
10
H-HOLD V-HOLD BRIGHT CONTRAST
2
3
4
51
B/W VIDEO MONITOR
VIDEO
V-LIN
OVER
H-WIDTH
UNDER
OFF ON
DC-REST
SCAN
OVER UNDER
11 12
V-HEIGHT
VIDEO
V-LIN
OVER
H-WIDTH
UNDER
OFF ON
DC-REST
SCAN
OVER UNDER
6
BOSCH
V-HEIGHT
VIDEO
V-LIN
OVER
H-WIDTH
UNDER
OFF ON
DC-REST
SCAN
OVER UNDER
12:09:98
VCR
BOSCH
V-HEIGHT
VIDEO
V-LIN
OVER
H-WIDTH
UNDER
OFF ON
DC-REST
SCAN
OVER UNDER
V-HEIGHT
VIDEO
V-LIN
OVER
H-WIDTH
UNDER
OFF ON
DC-REST
SCAN
OVER UNDER
V-HEIGHT
VIDEO
V-LIN
OVER
H-WIDTH
UNDER
OFF ON
DC-REST
SCAN
OVER UNDER
From Video source

EN |13
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | Illustrations
Fig. 7 Monitor LTC 2020
Fig. 8 Monitor LTC 2020 Connection
Fig. 9 Monitor LTC 2020 Looped Through Connection
14 15
2
3
4
5116 17
. . . . . .
. . . . . .
. . . . . .
. . . . . .
Scan Video
Over
Under
A
B
AB
VolumeSharpnessContrastBright
H-hold
V-holdH-sizeV-size
67
8
9
1011
AC IN VIDEO A
IN OUT
VIDEO B
IN OUT AUDIO
IN OUT
DC-REST
OFF ON
V-LIN
12 13
AC IN VIDEO A
IN OUT
VIDEO B
IN OUT AUDIO
IN OUT
DC-REST
OFF ON
V-LIN
BOSCH
AC IN VIDEO A
IN OUT
VIDEO B
IN OUT AUDIO
IN OUT
DC-REST
OFF ON
V-LIN
12:09:98
VCR
BOSCH
AC IN VIDEO A
IN OUT
VIDEO B
IN OUT AUDIO
IN OUT
DC-REST
OFF ON
V-LIN
AC IN VIDEO A
IN OUT
VIDEO B
IN OUT AUDIO
IN OUT
DC-REST
OFF ON
V-LIN
AC IN VIDEO A
IN OUT
VIDEO B
IN OUT AUDIO
IN OUT
DC-REST
OFF ON
V-LIN
Video source A
Video source B

EN |14
Bosch Security Systems | 16 July 2004
LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual |

LTC 2009, 2012, 2017, & 2020 Series | Instruction Manual | EN |15
Bosch Security Systems | 16 July 2004

© 2004 Bosch Security Systems GmbH
3935 890 59316 04-29 | Updated July 16, 2004 | Data subject to change without notice.
Bosch Security Systems, Inc.
850 Greenfield Road
Lancaster, PA 17601 USA
Tel: [phone]
Fax: [phone]
www.boschsecuritysystems.com
Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven
The Netherlands
Tele [phone]
Bosch Security Systems Pte Ltd.
38C Jalan Pemimpin
Singapore 577180
Republic of Singapore
Tel: [phone]