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1 INTRODUCTION

The software described in this manual is intended to be used in the ESO VLT project by ESO and authorized external contractors only.

While every precaution has been taken in the development of the software and in the preparation of this documentation, ESO assumes no responsibility for errors or omissions, or for damage resulting from the use of the software or of the information contained herein.

1.1 Purpose

This document is the Software part of the CCD cameras User Manual. At the moment it is a stand-alone document. It is proposed to transform it at a later stage into a chapter of the CCD cameras User Manual, which should include system, hardware and software aspects

It is intended to provide people who want to operate a camera as stand-alone instrument, e.g. for laboratory or on-line tests, with all the necessary information.

The manual assumes that the reader has some experience with astronomical CCD cameras. It is not intended to be an introduction to CCD cameras, and therefore it uses common terminology in this field (e.g. pixel, binning, readout, frame-transfer chip, etc.) without further explanations.

In addition to the Introduction, this manual contains the following chapters:

User's Guide: it contains information about:

1. Overview of the environment needed to operate a CCD camera as stand-alone instrument
2. Getting started. Simple sessions to gain experience with the CCD software.
3. Definitions: exposures, operational modes and states
4. Running the system.

Reference: manual pages of panels and scripts used.

The CCD control software is going to be used by several categories of users. The information related to this software package has been spread over several documents, in order to give each user an easier access only to the information he needs (see also section Purpose in [14]).

The following table presents the complete list of documents available about the CCD software, together with a summary of the contents and the category of users who may be interested in reading them.

Document #
Title
Contents
Users
VLT-MAN-ESO-17240-0672
CCD Software - User Manual
· Software installation

· Programmatic interface
· Responsible for VLT sw installation
· Software developers
VLT-MAN-ESO-17240-0917
CCD Cameras - User Manual - Software part
CCD stand-alone
· Responsible for CCD cameras and chips tests.
· Software developers
VLT-MAN-ESO-17240-0918
CCD Cameras - Maintenance Manual - Software part
· Camera configuration
· Periodical maintenance
· Trouble-shooting
· Responsible for camera installation.
· Software developers
VLT-MAN-ESO-17240-0919
CCD Software - Device Control Libraries - User Manual
Integration of special hardware in the CCD sw (e.g. FORS shutter).
· Software developers (only if special hw used).

1.2 Scope

The present document is intended to be used for both scientific and technical CCD cameras based on the ACE controller.

For CCD cameras using the FIERA controller, refer to [19].

1.3 Applicable Documents

The following documents, of the exact issue shown, form a part of this document to the extent specified herein. In the event of conflict between the documents referenced herein and the contents of this document, the contents of this document shall be considered as a superseding requirement.

[1] VLT-PRO-ESO-10000-0228, 1.0 10/03/93 ---- VLT Software Programming Standards
[2] VLT-SPE-ESO-17212-0001, 2.0 12/04/95 ---- VLT Instrumentation Sw Specification
[3] VLT-SPE-ESO-17240-0227, 1.0 08/04/93 ---- CCD Detectors Control Software Specification
[4] VLT-SPE-ESO-17240-0385, 2.1 15/07/96 ---- INS Common Software Specification
[5] GEN-SPE-ESO-19400-0794, 1.08 15/11/96 ---- ESO Data Interface Control Document
[6] VLT-ICD-ESO-17240-19400, 2.6 23/05/97 --- ICD between VCS and VLT Archive System

1.4 Reference Documents

The following documents contain additional information and are referenced in the text.

[7] VLT-MAN-ESO-17200-0642, 1.8 31/05/97 ---- VLT Common Software Installation Manual
[8] VLT-MAN-ESO-17200-0888, 1.0 17/08/95 ---- VLT Common Software Overview
[9] VLT-MAN-SBI-17210-0001, 3.4 05/05/97 ---- LCU Common Software User Manual
[10] VLT-MAN-ESO-17210-0619, 1.7 30/04/97 ---- Central Control Software User Manual
[11] VLT-MAN-ESO-17240-0816, 1.0 28/09/95 ---- CCD DCS Sw Maintenance Manual WS part
[12] VLT-MAN-ESO-17240-0932, 1.0 28/09/95 ---- CCD Stand-alone Sw Maint. Manual WS part
[13] VLT-MAN-ESO-17240-0817, 1.0 28/09/95 ---- CCD Sw Maintenance Manual LCU part
[14] VLT-MAN-ESO-17240-0672, 1.5 19/11/97 ---- CCD Sw User Manual
[15] VLT-MAN-ESO-17240-0918, 1.4 19/11/97 ---- CCD Cameras Maintenance Manual, Sw part
[16] VLT-MAN-ESO-17240-0919, 1.0 28/09/95 ---- CCD Software DCL User Manual
[17] VLT-MAN-ESO-17240-0866, 2.4 01/10/96 ---- INS Common Sw - rtd User Manual
[18] VLT-SPE-ESO-13600-0381, 1.0 19/07/93 --- ACE Technical Specification
[19] VLT-MAN-ESO-13640-1388, 1.0 13/11/97 ---- FIERA sw User Manual

1.5 Abbreviations and Acronyms

The following abbreviations and acronyms are used in this document:

ACE Array Control Electronics
CCD Charge-Coupled Device
CCS Central Control Software
CPU Central Processing Unit
DCL Device Control Library
DCS Detector Control Software
ESO European Southern Observatory
FDDI Fiber Distributed Data Interface
FIERA Fast Imager Electronic Readout Assembly
FITS Flexible Image Transport Format
HW Hardware
INS Instrumentation Software Package
I/O Input/Output
LAN Local Area Network
LCC LCU Common Software
LCU Local Control Unit
MIDAS Munich Image Data Analysis System
N/A Not Applicable
SCCD Scientific CCD
SW Software
TBC To Be Clarified
TBD To Be Defined
TCCD Technical CCD
TCS Telescope Control Software
TIM Time Interface Module
TRS Time Reference System
UIF (Portable) User Interface (Toolkit)
VLT Very Large Telescope
VME Versa Module Eurocard
WAN Wide Area Network
WS Workstation

1.6 Glossary

No special definition is introduced in this manual

1.7 Stylistic Conventions

The following styles are used:

bold in the text, for commands, file names, etc. as they have to be typed.

italic in the text, for parts that have to be substituted with the real content before typing.

teletype for examples.

<name> in the examples, for parts that have to be substituted with the real content before typing.

The bold and italic styles are also used to highlight words.

1.8 Naming conventions

This implementation follows the naming conventions as outlined in [2].

1.9 Problem Reporting/Change Request

The form described in [7] shall be used.



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