Sams VAA4a1l User Manual For Use And Maintenance Download Page 6

VAA

elektronik

Sams elektronik d.o.o. • [email protected] • www.sams.rs

6

Distribution amplifiers

UNPACKING AND INSTALLATION

REMOVAL AND STORAGE

MAINTENANCE

The box contains:

 

- Device

 

- Power corde

 

- User manual (optional)

Before use, check the contents of the box. For any deficiency report to the seller or the manufacturer 

of the product.

DEVICE IS INSULATED BY PROTECTIVE WRAP AND PACKED IN A CARDBOARD BOX.

DEVICE IS SENSITIVE TO SHAKES AND DROPS. HANDLE WITH CARE DURING TRANSPORT 

AND ASSEMBLY.

Check if the product is damaged during transport.

1.  Before dismantling the device, switch off the power, remove 

the power cord and remove all other connectors.

2.  Remove the four screws for fastening.

3.  Remove the device from rack cabinet.

4.  Wrap the machine in the foil to protect it from dust. Package 

it in a box.

5.  The device must be stored in a room without moisture.

The system maintains only person authorized by Sams elektronik 

doo.

Any voluntarily opening device, upgrading or servicing is strictly 

prohibited and is subject to warranty void, and the possibility of 

injury.

Places for fastening

PROCEDURES FOR SAFE USE OF THE DEVICE:

1.  - Remove the protective wrap from the chassis.

 

- For devices that are AC 230V / 50Hz powered, the device is supplied with power cord. 

 

- Use only power corde that comes with the device.

2.  Device is mounted in a 19“ special-purpose rack cabinets designed for this type of device. Screw 

device with four screws. Screws for fastening are not supplied with the device.

3.  The device must be connected to ground. A device that is not connected to the grounding does 

not function properly according to factory declarations and can cause adverse effects on users and 

other equipment.

4.  Strictly comply to all steps for proper connection of devices in the system.

Illustration - mounted device

Summary of Contents for VAA4a1l

Page 1: ...edition 1 Code 007 178 007 179 007 263 007 264 007 180 007 181 ENGLISH VAA5a1l 5a2l VAA6a1l 6a2l VAA4a1l 4a2l Sams elektronik d o o 48 Zivka Davidovica st 11050 Belgrade Serbia Tel Fax 381 11 3806 253 381 11 2402 212 sams sams rs www sams rs USER MANUAL FOR USE AND MAINTENANCE Read the instructions before using the device Keep this manual for periodic usage ...

Page 2: ...ufacturer servicer has not completed repair or replacement within a reasonable time or if the manufacturer servicer did not perform repair or replacement without significant inconvenience to the consumer 5 The consumer may not terminate the contract if the lack of conformity of the product is negligible 6 The product will function properly when used in accordance with the user manual 7 Period of s...

Page 3: ... of high voltage In poor conditions the user may be exposed to shock The symbol exclamation mark in a triangle is to alert the user to comply by the terms of use in user s manual which is supplied with the device SAFETY WARNINGS ELECTRICAL SHOCK HAZARD DO N OT O PEN CAUTION RIZIK OD S TRUJNOG UDARA NE O TVARATI DOK JE P OD N APONOM UPOZORENJE CLASS I DEVICE Grounding is connected to the chassis of...

Page 4: ...s device is equipped with a protective fuse in the power outlet Do not bypass fuse 12 Do not replace the fuse Replacement can be made by a person authorized by the manufacturer 13 Do not bend the power cord so that it can be damaged 14 Connect connectors as in the enclosed instructions Deviations from the allowed values predicted for the inputs and outputs of the device can cause severe damage and...

Page 5: ...lektronik 5 Distribution amplifiers UNPACKING AND INSTALLATION 6 MAINTENANCE 6 REMOVAL AND STORAGE 6 DESCRIPTION 7 INSTALLATION 13 VIDEO ADJUSTMENT 14 REMARKS 15 AUDIO ADJUSTMENT 15 ACCESS TO ADJUST TRIMMER 15 NOTES 16 Page Description TABLE OF CONTENTS ...

Page 6: ... 5 The device must be stored in a room without moisture The system maintains only person authorized by Sams elektronik doo Any voluntarily opening device upgrading or servicing is strictly prohibited and is subject to warranty void and the possibility of injury Places for fastening PROCEDURES FOR SAFE USE OF THE DEVICE 1 Remove the protective wrap from the chassis For devices that are AC 230V 50Hz...

Page 7: ...al Input Impedance 75Ω loop trough VIDEO OUTPUT Number 4 BNC Level 1V p p nominal Impedance 75Ω VIDEO PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV ORDERING INFORMATION Code Name Description 007 179 VAA 4a2l Analog video 2CH audio DA 1x4 Specifications and designs are subject to change without not...

Page 8: ...dance 75Ω loop trough VIDEO OUTPUT Number 4 BNC Level 1V p p nominal Impedance 75Ω VIDEO PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV ORDERING INFORMATION Code Name Description 007 178 VAA 4a1l Analog video 1CH audio DA 1x4 Specifications and designs are subject to change without notice VAA 4a1l ...

Page 9: ...ut Impedance 75Ω loop trough VIDEO OUTPUT Number 5 BNC Level 1V p p nominal Impedance 75Ω VIDEO PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV AUDIO INPUT Number 1 per channel Connector XLR Impedance 40KΩ balanced ORDERING INFORMATION Code Name Description 007 264 VAA 5a2l Analog video 2CH audio DA...

Page 10: ...ominal Input Impedance 75Ω loop trough VIDEO OUTPUT Number 5 BNC Level 1V p p nominal Impedance 75Ω VIDEO PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV ORDERING INFORMATION Code Name Description 007 263 VAA 5a1l Analog video 1CH audio DA 1x5 Specifications and designs are subject to change without...

Page 11: ... loop trough VIDEO OUTPUT Number 6 BNC Level 1V p p nominal Impedance 75Ω VIDEO PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV ORDERING INFORMATION Code Name Description 007 181 VAA 6a2l Analog video 2CH audio DA 1x6 Specifications and designs are subject to change without notice VAA 6a2l Analog vi...

Page 12: ...ominal Input Impedance 75Ω loop trough VIDEO OUTPUT Number 6 BNC Level 1V p p nominal Impedance 75Ω VIDEO PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV ORDERING INFORMATION Code Name Description 007 180 VAA 6a1l Analog video 1CH audio DA 1x6 Specifications and designs are subject to change without...

Page 13: ...V 50Hz POWER INPUT OUTPUT 1 2 3 4 AUDIO 1 VIDEO OUTPUT VIDEO INPUT VIDEO LOOP 1 2 3 4 USE ONLY WITH A 250V FUSE www sams rs Made in Serbia VAA 4a2L CODE 007 178 SN RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION RIZIK OD STRUJNOG UDARA NE OTVARATI UPOZORENJE LEDs to indicate the presence of power V red LED V green LED LEDs to indicate the presence of power V red LED V green LED LEDs to indicate the pre...

Page 14: ... Start test 75 Color bar Using a measuring instrument note whether there is a deviation Slowly turn the GAIN potentiometer to adjust the signal level at 1V p p 2 EQ is the process of adjusting the balance between the levels of different frequencies in the video signal Due to the length of the cable it will weaken the level of higher frequencies Start Multiburst test Using a measuring instrument no...

Page 15: ...used Loop is used 75Ω terminator Audio distribution is factory set to 0dB input 0dB output For adjust is used 1m cable To adjust the distribution in the system it is necessary to have Signal generator a signal which is brought to the input of the distribution Adequate measuring instrument output signal of the distribution A small flathead screwdriver for adjusting AUDIO ADJUSTMENT Put a thin screw...

Page 16: ...VAA elektronik Sams elektronik d o o sams sams rs www sams rs 16 Distribution amplifiers NOTES ...

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