Leader 3803 User manual

LG 3803
8VSB/QAM SIGNAL GENERATOR
INSTRUCTION MANUAL
LEADER ELECTRONICS CORP.

TABLE OF CONTENTS
GENERAL SAFETY SUMMARY ............................................................................................. I
1. INTRODUCTION .............................................................................................................. 1-1
1.1 Scope of Warranty................................................................................................... 1-1
1.2 Operating Precautions............................................................................................. 1-1
1.2.1 Line Voltage and Fuse ................................................................................. 1-1
1.2.2 Maximum Input Voltage ............................................................................... 1-2
1.2.3 Reverse Voltage, Excessive Voltage ........................................................... 1-2
1.2.4 Backup of Control Settings .......................................................................... 1-2
1.2.5 Installation.................................................................................................... 1-3
1.2.6 Mechanical Shock........................................................................................ 1-3
1.2.7 About Network ............................................................................................. 1-3
2. SPECIFICATIONS............................................................................................................ 2-1
2.1 Description .............................................................................................................. 2-1
2.2 Features .................................................................................................................. 2-1
2.3 Specifications .......................................................................................................... 2-2
2.3.1 Channel Coding Section.............................................................................. 2-2
2.3.2 RF Signal Generator.................................................................................... 2-2
2.3.3 Input/Output Signal Sources........................................................................ 2-2
2.3.4 C/N Generator Section ................................................................................ 2-3
2.3.5 BER Counter Section................................................................................... 2-3
2.3.6 External Interface......................................................................................... 2-4
2.3.7 Display Panel............................................................................................... 2-4
2.4 General Specifications............................................................................................. 2-4
3. PANEL DESCRIPTIONS .................................................................................................. 3-1
3.1 Front Panel.............................................................................................................. 3-1
3.2 Rear Panel .............................................................................................................. 3-4
4. LCD PANEL DESCRIPTION ............................................................................................ 4-1
4.1 Turning Power On and Starting Instrument ............................................................. 4-1
4.2 Screen Description .................................................................................................. 4-1
4.3 Menu ....................................................................................................................... 4-6
5. USING MENU...................................................................................................................5-1
5.1 CODING .................................................................................................................. 5-1
5.1.1 Source ......................................................................................................... 5-2
5.2 NOISE ..................................................................................................................... 5-4
5.3 CHANNEL ............................................................................................................... 5-5

5.4 LEVEL ..................................................................................................................... 5-6
5.5 BER......................................................................................................................... 5-7
5.5.1 SETUP......................................................................................................... 5-8
5.6 UTILITY................................................................................................................... 5-9
5.6.1 CONFIG....................................................................................................... 5-10
5.6.2 TCP/IP ......................................................................................................... 5-11
5.6.3 GPIB ADDRESS .......................................................................................... 5-12
5.6.4 PRESET GROUP ........................................................................................ 5-13
5.6.5 CF ACCESS ................................................................................................ 5-14
6. PRESET, GROUP ............................................................................................................ 6-1
6.1 Preset...................................................................................................................... 6-1
6.2 GROUP ................................................................................................................... 6-1
7. REMOTE CONTROL........................................................................................................ 7-1
8. GPIB ................................................................................................................................ 8-1
8.1 Specifications .......................................................................................................... 8-1
8.2 Interface Function.................................................................................................... 8-1
8.3 Interface Message Function.................................................................................... 8-2
8.4 GPIB Address.......................................................................................................... 8-2
8.5 Clear, Reset............................................................................................................. 8-3
8.6 REMOTE/LOCAL .................................................................................................... 8-3
8.7 Multiline Message Command .................................................................................. 8-4
8.8 Program Message Format....................................................................................... 8-4
8.9 Program Message Terminator ................................................................................. 8-4
8.10 Program Code Format............................................................................................. 8-4
8.11 Program Code List .................................................................................................. 8-5
8.12 Detail Program Code............................................................................................... 8-7
9. ETHERNET ...................................................................................................................... 9-1
9.1 Connection .............................................................................................................. 9-1
9.2 Operating with Personal Computer ......................................................................... 9-1
10. MAINTENANCE ............................................................................................................... 10-1

GENERAL SAFETY SUMMARY
■ To Avoid Personal Injury
It is recommended that only qualified personnel with technical knowledge use this
instrument only after reading and fully understanding all functions of the instrument
described this instruction manual.
This instrument is not designed and manufactured for consumers.
If you do not have enough knowledge on electricity, to avoid personal injury and prevent
damage to this product, please be sure to use this product only under the su-pervision of an
engineer who has sufficient knowledge about electronics.
■ Precautions on Contents
Should you find the contents in this manual and any of its technical terms confusing, please
feel free to contact your local Leader agent.
■ Symbols and Terms
Following terms and symbols indicate necessary warnings and cautions used in this
manual and on the product are there for safe operation.
＜Symbol＞
The sections where this symbol is marked in this manual or
instrument, if not correctly performed or practiced, could result in
personal injury or cause serious danger to the instrument.
Misuse could also produce unintentional movement to create an
operational impediment on the instrument or other products that
might be connected to it.
Be sure to refer to the safety precautions in this manual to safely
use the part of the instrument where the symbol is marked.
＜Term＞ Warning statements identify warning conditions that if
disregarded or not correctly performed or adhered to, could
result in serious personal injury or even loss of life.
＜Term＞
Caution statements identify warning conditions if disregarded or
not correctly performed or adhered to, could result in personal
injury or damage to the instrument.
WARNING
CAUTION
I

GENERAL SAFETY SUMMARY
Review the following safety precautions to avoid operator's injury and loss of life and prevent
damage and deterioration to this instrument. To avoid potential hazards, use this product as
specified.
WARNING
■ Warnings on the Cases and Panels of the Instrument
Operator should not remove any cases or panel for any reasons. If you touch inside the
instrument it could result personal shock or fire hazard. Refrain from spilling any liquid
on or inserting anything flammables or piece of metal into the ventilation of the instrument.
Such actions could cause fire, shock, malfunction and be an accident hazard while the
power is on.
■ Warnings on Power Line
● Make sure to connect only to the rated power line voltage. Excess voltage may
cause fire.
Confirm the voltage of the commercial power line before connecting the AC power
cord. The power frequency of the power line should be 50/60 Hz.
● Warning on the Power Cord
Use only the optional power cord that is attached to this instrument. The use of the
power cord other than that attached could cause fire hazard.
If the attached cord is damaged stop using it and contact your local Leader agent.
Should you use a damaged cord, it could cause a shock or create a fire hazard. When
you pull out the cord be sure to hold it by plug and pull from the socket not by holding
the cord wire.
■ Warning on Fuse
When the fuse is melted the instrument stops operation. If the fuse melted, turn off the
power switch and disconnect the power plug from the socket. If you change the fuse
while the cord is connected to the socket, it could cause a shock hazard. Only use the
specified type and rated current and voltage fuses.
If the cause for melting fuse is unclear or if you suspect there is damage to the instrument
or if you have no proper fuse at hand please contact your local Leader agent.
II