Wisi VS 21 Manuale utente

- 13 -

Operating instructions

VS 21 Multi channel programmable Filter-Amplifier

For digital and analogue channels

6 terrestrial inputs: B I-II / B III / VHF-UHF and 3 UHF inputs over 10 UHF programmable clusters

Each cluster with 1 to 7 channels bandwidth

All settings by WISI handset OK 41 / OK 41A

COPY function permits transfer of all settings from one unit to another

OK41A handset with memory function for saving up to 10 settings to copy them to another unit

Highly selective filters

Low noise figure and high gain split band amplifiers

High output level of 123 dBµV

Automatic levelling or manual via 30 dB attenuator

Selectable remote power on VHF-UHF and UHF inputs -30 dB Testausgang

-30 dB test output

Operation LED Handset OK 41A

High UHF input levels up to 105 dBµV by switchable 20 dB attenuator

- 14 -

Index

Page

Safety and installation notes 15

Mounting - Dimensions 15

Operating with handset OK 41 / OK 41 16

- Menu structure 17

Main menu 18

Attenuator settings 19

Cluster programming 19

- Setting Start and Stop channels 20

- Single channel mode 20

- Switching off a cluster 20

- Overlapping cluster 20

Operating principle

Page

Setting inputs 21

General attenuator UHF 21

Automatic level adjustment 21

Copy function with OK 41A 21

General Reset 22

Block diagram 22

Specifications 23

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- 15 -

Safety and installation notes – please observe!

Caution

The mains voltage must match the rated input

voltage of the unit (230 VAC).

Connecting cable — Lay the cable so that no-

one can trip over it.

—Lay the cable with a

downward loop so that any condensing on it

can drip on the floor instead of running into it.

Selecting the installation location

Excessive temperatures will reduce the operating

lifetime of the unit. Do not install the unit directly

above or in the vicinity of radiators or heating

systems where it would be subjected to thermal

radiation or oil vapours.

Cleaning

Only use a dry soft cloth to clean the cabinet.

Do not use solvent.

Moisture

Water dripping or splashing onto the unit will

damage it. If there is condensation on the unit,

wait until this has evaporated before switching

the unit on.

Caution – danger!

In accordance with EN 50 083-1, the antenna

system must comply with the safety requirements

with respect to grounding, potential

equalisation, etc.

Service work

Service work may be carried out only by qualified

personnel. Always disconnect the supply voltage

before starting any such work.

Important

Leave a minimum space of 15 cm. around to the

product to guarantee a maximum of ventilation.

Mounting — Dimensions

1. Ground

2. Place the adapter into the holder

3. Connect the power supply to the

amplifier

4. Plug the mains cable to the

adaptor. LED (6) illuminates.

5. Click the adapter holder to the

amplifier

- 16 -

Operation with handset OK 41A (Accessory)

Handset OK 41A (Accessory) Standby

Plug the handset into the socket.

Connect power supply voltage to basic unit.

The software version (e.g. „V 3.1") is displayed.

Press any key to call the module menu.

Main menu

keys — Select parameters

key — Move to parameter menu

key — Back

Parameter menu

keys — Select parameter

key — Move to parameter menu

key — Back

Parameter sub-menu

keys — Back

keys — Change the value, e.g. change 52 to

62.

- Saving data: data are saved automatically.

Left Right

Down

WISI VS21 V3.1

- 17 -

Menu structure

WISI VS 21 v3.1

Attenuator G .UHF

10 dB

Attenuator I -II

0 dB

Band I -II

20dB

Attenuator III

20 dB

Band VHF /UHF

20dB Attenuator V /UHF

20 dB

Band III

20dB

Cluster 1 (UHF1)

30dB Ch .52-54

Data Store

Attenuator

Start Chan . CL.1

Stop Chan

Cluster 8 (UHF2)

30dB Ch .52-54 Start Chan . CL.8

Stop Chan

Attenuator

Select Input

Data Import

General Att . UHF

10dB

Data Import

RS-232 Interface

VS21 Position 1

VS21 Position 2

Data Store

VS21 Position 1

VS21 Position 2

Start Chan . CL.1

Channel 52

Stop Chan . CL.1

Channel 52-54

Attenuator CL.1

30 dB

Stop Chan . CL.8

Channel 52-54

Start Chan . CL.8

Channel 52

Attenuator CL.8

30 dB

Select Input

UHF3: Cluster 10

Load Defaults

Data Import

RS-232 Interface

Main Menu Parameter Submenu

Parameter-Menu

Auto Level Auto Level

Show Last Result

Start AGC !

CL. 1 xxxxxxxxxx

parked cluster

Preamplif. UHF1

Auto Level .....

CL. 1 2/30

Preamplif. UHF1

- 18 -

Main Menu

Press  to enter the "Main Menu". Press  again to enter the "Parameter-Menu".

WISI VS 21 v3.1Band I -II

20dB

Band VHF /UHF

20dB

Band III

20dB

Cluster 1 (UHF1)

30dB Ch .52-54

eData Import

General Att .

UHF

10dB

Auto Level

Data Store

Preamplif. UHF1

Main Menu

Cluster10 (UHF2)

30dB Ch .52-54

- 19 -

Cluster programming

Enter with  the "Parameter Sub-menu" and change the attenuation with  buttons.

Attenuator settings

The amplifier consists of 3 UHF inputs. They are splitted into 10 clusters.

A cluster is a group of channels consisting of max. 7 channels.

Choose the combination by yourself with setting "Start" and "Stop"

channels.

12 3 4 5 6 7

channels

1234 5 6 7

channels

1 2 3 4 5 6 7

channels

1 2 3 4 5 6 7

channels

Setting Start and Stop channels

1. Select one of the cluster 1...10 clusters and press  button.

2. First select "Start Channel" and set the Start channel.

3. Press .

4. Select "Stop Channel" and set the "Stop channel".

Channel

52 55

Start Stop

Cluster

(8)

Example

Attenuator I -II

20 dB

Band I -II

20dB

Start Chan . CL.8

Stop Chan

Stop Chan . CL.8

Channel 52-55

Start Chan . CL.8

Channel 52

Attenuator CL.8

30 dB

Attenuator

- 20 -

Channel

22 25 29

Overlapping

Single channel mode

Note:

Setting the "Start channel" (example ch 33)

also sets the "Stop channel" autom. to ch 33.

Switching off a cluster

- Select "Start" channel and set to OFF.

The "Stop" channel"is set autom. to OFF.

Overlapping cluster

-*The digit displays overlapping.

5. Attenuator

- Set the attenuator 0-30 dB for each cluster.

Setting cluster inputs

The 3 UHF inputs of the amplifier are splitted

into 10 clusters.

The input can only be configured for

cluster 8, 9, and 10.

Select the "Parameter-Submenu" and

configure the inputs.

Note:

Cluster 1 and 2 are assigned to UHF 1.

Cluster3, 4, 5, 6 and 7 are assigned to UHF 2

Cluster 8, 9 and 10 are assigned to UHF 2 or 3.

Each cluster can be set to OFF. For example:

only one cluster is needed for UHF 2,

switch OFF the other clusters.

UHF 1 UHF 2 UHF 3

280

271

253

Start Chan . CL.8

Stop Chan

Attenuator

Select Input Stop Chan . CL.8

Channel 52-54

Start Chan . CL.8

Channel 52

Attenuator CL.8

30 dB

Select Input

UHF3: Cluster 10

- 21 -

Copy function with OK 41A (Accessory)

The data import function allows to store settings from the OK 41A handset or from another VS 21.

The OK 41A consists of 10 "Memories". Select one of the OK 41A memory ("Position1...10").

Select "Data import" to store the datas from master and restore to the -Unit to be set- with "Data

Store"

General attenuator UHF

Select in the "Main Menu" - "General Att. UHF" and press  again to enter the "Parameter-

Menu". All input levels can be set. The default setting for this attenuation is 11 dB.

Automatic level adjustment

1. First select the START and STOP channels

for each cluster.

2. Set the clusters to OFF which are not in use.

3. Start "AGC".

4. The amplifier starts levelling automatically

the clusters.

This procedure will take about 1 to 2 minutes,

depending on the number of channels and

clusters to be equalized.

5. The amplifier displays the results in the

parameter sub-menu:

CL. 1 XXXX I XXX II

IXI

cluster 1

parked cluster

cluster 5

signal weak

cluster 9

signal strong

Note:

The automatic level adjustment set the output

level of the clusters at 100 dBµV (for an input

level between 50 to 80 dBµV).

The general attenuator is fixed to 11 dB after

the automatic level adjustment. It can be

adjusted from 0 to +20 dB to get a level

between 90 to 110 dBµV (see "General Att.

UHF ).

The difference between analog and digital

signals is very small. You can correct this after

automatic levelling has finished.

Attenuator G .UHF

11 dB

General Att . UHF

11dB

- 22 -

General Reset

Select "Data import" and "Load default".

Block diagram

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