Belden Grass Valley VEA-1023 Скачать руководство пользователя страница 3

VEA-1023  Analog Video Auto Equalizing DA 

Guide to Installation and Operation

 

 

 

VEA-1023

 

Page 3 of 5 

 

and the current status will be shown on the controller card’s 
display. The STATUS LED will revert to its normal state 
upon a second push of the button, or after a short delay. 
The messages which may appear are shown in the top line 
of the menu chart below.  

Example : 

 

 
 
 

 

Use the local control panel to access the detailed status 
report shown in the STATUS menu on page 3. 

Operating Parameter Adjustment 

The VEA-1023 has operating parameters which may be 
adjusted at the controller card interface. After pressing the 
SELECT button on the VEA-1023 card, use the keys on the 
local control panel (described in the Controller card 
manual) to step through the displayed menu and adjust the 
parameters. The menus are shown below.  
 

 
 

 
 

 
VEA-1023 Menus 

 

CONFIGURE ALARM

STATUS

FACTORY DEFAULT

NO SIGNAL

ALARM LEVEL

ALARM REPORT

NONE

, GPI

0

, 1, ..., 63 (no unit)

REAR PANEL ERROR, AUTO CALIB, MANUAL CALIB,

NO SIGNAL, OK 525, OK 625

RESTORE

CALIBRATION

AUTOMATIC

START

GAIN

0

, 1, ..., 127 (no unit)

CALIBRATING

, SUCESS, OUT OF RANGE

EQ

GREEN, YELLOW, 

RED

, FLASH RED

MANUAL

AUTOCAL

PROGRESS

ALARM LEVEL

ALARM REPORT

NONE

, GPI

GREEN, 

YELLOW

, RED, FLASH RED

 

 

 
 

 

USER PRESET  menu

 

Displays status of the different board alarms. The higher-
level alarm is displayed, even if not configured to activate 
the 

STATUS

 led.  

REAR PANEL ERROR

 

Indicates an absence of the rear 

panel or an incompatibility between the module and the 
rear panel. The 

STATUS

 led turns on flashing red.  

AUTO CALIB 

Indicates automatic calibration is set, 

jumper LK2 position 3-4. 

MANUAL CALIB 

Indicates manual calibration is 

set, jumper LK2 position 1-2. 

OK 525

 

Indicates a valid 525-line 

incoming signal  

OK 625

 

Indicates a valid 625-line 

incoming signal 

NO SIGNAL

 

Indicates an absence of input 
signal

 

CALIBRATION  menu

 

Enables the automatic or manual Gain/Equalization 
calibration  

AUTOMATIC

 

Enables automatic calibration   

START 

Press [SELECT] to activate 
automatic calibration.

 

CALIBRATING

 is displayed, the 

last character appears as a 

rotating dash 

|, /, —, \.

 Calibration 

starts, 

SUCCESS

 is displayed in 

case of success and 

OUT OF 

RANGE

 in case of failure.  Press 

[ESC] to exit the menu without 
saving. 

MANUAL

 

Enables manual calibration 

GAIN

 

Gain can be set within a range of 
0 to 127. These values have no 
units. 0 is the default value. 

EQ

 

Equalization can be set within a 
range of 0 to 63. These values 
have no units. 0 is the default 
value.

 

CONFIGURE ALARM  menu 

Set the Level (

STATUS

 LED color) and/or Report (GPI 

relay activation) that will occur when the ADC-1721 
detects the listed error: 

 

NO SIGNAL 

 

AUTOCAL PROGRESS 

Note: Alarm relay activation can only occur if the 
parameter GPI REPORT Is enabled in the menu of the 
Densité frame’s controller card 

ALARM LEVEL  

Associates a 

STATUS

 LED color 

(GREEN, YELLOW, RED or 
FLASH RED) with each error. 

V E A - 1 0 2 3

A L

N O

S I G N

Содержание Grass Valley VEA-1023

Страница 1: ...signal format 50 MHz analog video bandwidth Equalization up to 300m 1000 Status LED and remote reporting FUNCTIONAL BLOCK DIAGRAM Video Outputs Video Input Microcontroller 1 2 3 4 5 6 7 8 Rem Control Select Status Gain Loop Equalization Signal Detection SPECIFICATIONS INPUT Video signal Any 1 Vpp nominal signal Return loss 40 dB up to 5 MHz Coupling DC or AC with Clamping Hard Soft None Level 0 3 ...

Страница 2: ...ill free up slots in the Densité frame Choose the SRP rear panel to get 4 outputs but no loop through or the SRP L panel to get three outputs plus the loop through Overview The DENSITÉ frame incorporates a central controller card located in the center of the frame which is equipped with an LCD display and a control panel The controller handles error reporting and local and remote control for all c...

Страница 3: ...o activate the STATUS led REAR PANEL ERROR Indicates an absence of the rear panel or an incompatibility between the module and the rear panel The STATUS led turns on flashing red AUTO CALIB Indicates automatic calibration is set jumper LK2 position 3 4 MANUAL CALIB Indicates manual calibration is set jumper LK2 position 1 2 OK 525 Indicates a valid 525 line incoming signal OK 625 Indicates a valid...

Страница 4: ...tabilize to the current gain and EQ adjustments The LED is yellow Using the measuring equipment to observe the result slowly turn the GAIN CAL potentiometer P3 situated on the card edge to adjust the white level to 100 Format 100 white level NTSC with setup 714 mV or 100 IRE NTSC no setup 714 mV or 100 IRE PAL 700 mV NOTE The output reacts slowly when the potentiometer is turned and it is constant...

Страница 5: ...ly after the next auto calibration If this happens the First time Calibration and Auto calibration procedures described above must be redone NOTE if you push on the Select button during the calibration until the led returns green the final value will replace the factory default value According to the video input signal NTSC or PAL the card will store two different factory default values one for NT...

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