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EN

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Bosch Security Systems | June 24, 2005

LTC 2020/91 Series | 

Instruction Manual

Introduction

1.0

INTRODUCTION

1.1

Parts List

1.2

Monitor 

The LTC 2020/91 20-inch (viewable picture area 
51 cm) is intended for display of EIA or CCIR scan
system. The monitor accepts two (2) composite video
inputs with loop-through BNC connection on the rear
of the monitor. For applications that require audio, four
(4) audio RCA connectors are also provided.

1.3

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

Manual-termination BNC connector

Detachable power cord 

Video 1 and Video 2 inputs

Two (2) audio inputs/outputs 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 264 VAC)

2.0

SERVICE

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:

800-366-2283 or 717-735-6638

fax:

800-366-1329 or 717-735-6639

CCTV Spare Parts

Phone:

800-894-5215 or 408-956-3853 or 3854

fax:

408-957-3198

e-mail:

[email protected]

Canada

Phone:

514-738-2434

Europe, Middle East & Asia Pacific Region

Phone:

32-1-440-0711

For additional information, see
www.boschsecuritysystems.com.

3.0

INSTALLATION

Read these instructions carefully. 

The monitor can be connected using the loop-through
feature.

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 2020/91

120-230 VAC

90 to 264

45 W

CCIR/

50/60 Hz

EIA

The LTC 2020/91 monitor is delivered with a 2 pole
Euro cord and a 3-pole US cord.

3.3

Connections

The monitor can be connected in series by using the
Video IN and Video OUT connectors.

Qty

Item

1

20-inch CRT monitor

2

Two (2) power cords: 3-wire with grounded plug, 
1.8 m (6 ft) long; one (1) with European continental plug
type and one (1) with U.S. plug type

1

This installation manual

Содержание LTC 2020/91 Series

Страница 1: ...Instruction Manual EN Monochrome Video Monitors LTC 2020 91 Series ...

Страница 2: ...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 ...

Страница 3: ...tage points or create short circuits resulting 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 p...

Страница 4: ...t 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 ...

Страница 5: ...a 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 ...

Страница 6: ...EW ILLUSTRATIONS 7 1 0 INTRODUCTION 8 1 1 Parts List 8 1 2 Monitor 8 1 3 Monitor Features 8 2 0 SERVICE 8 3 0 INSTALLATION 8 3 1 Ventilation 8 3 2 Connection Mains Supply 8 3 3 Connections 8 3 4 Connecting the Composite Video Signal to the Monitor 9 3 5 Connecting Audio to the Monitor 9 4 0 OPERATING CONTROLS AND CONNECTORS 9 APPENDIX A Technical Specifications 10 ...

Страница 7: ...ff switch 2 Power On Indicator 3 Contrast Adjustment 4 Brightness Adjustment 5 H HOLD Adjustment 6 V HOLD Adjustment 7 Volume Adjustment 8 CVBS 1 CVBS 2 Select Switch 9 Audio 1 Audio 2 Select Switch 10 Underscan Select Switch Rear Panel Key Number Component 1 Power Connector 2 Video 1 Load Impedance Switch 3 Video 2 Load Impedance Switch 4 Video 1 Input BNC Connector 5 Video 1 Output BNC Connector...

Страница 8: ...Security Systems Inc Service Center for return authorization and shipping instructions Service Centers USA Phone 800 366 2283 or 717 735 6638 fax 800 366 1329 or 717 735 6639 CCTV Spare Parts Phone 800 894 5215 or 408 956 3853 or 3854 fax 408 957 3198 e mail BoschCCTVparts ca slr com Canada Phone 514 738 2434 Europe Middle East Asia Pacific Region Phone 32 1 440 0711 For additional information see...

Страница 9: ...his control allows you to rotate in either direction until a stable picture is obtained 6 V HOLD When the picture is rolling up or down this control allows you to make adjustments until a stable single picture is obtained 7 Volume This allows you to adjust the audio sound 8 CVBS 1 CVBS 2 Select Switch This switch allows you to toggle the Video 1 or Video 2 connectors for a signal feed through 9 Au...

Страница 10: ...B Select switch Audio A B Select switch Contrast Brightness H Hold V Hold Volume Under Over Scan switch Connectors Power input socket 2 BNC video inputs 2 BNC video outputs Audio Input RCA pin bridge out possible Two 2 RCA phone jacks Power Cord Approx 1 8 m 6ft One 1 with a European Continental plug type and one 1 with a U S plug type Mechanical Cabinet Material Steel with plastic finish Finish C...

Страница 11: ...LTC 2020 91 Series Instruction Manual EN 11 Bosch Security Systems June 24 2005 ...

Страница 12: ... security sales us bosch com http www boschsecurity us Europe Middle East Africa Bosch Security Systems B V P O Box 80002 5600 JB Eindhoven The Netherlands Phone 31 0 40 27 83955 Fax 31 0 40 27 86668 emea securitysystems bosch com http www boschsecurity com Asia Pacific Bosch Security Systems Pte Ltd 38C Jalan Pemimpin Singapore 577180 Phone 65 6319 3450 Fax 65 6319 3499 apr securitysystems bosch ...

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