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LA120 User Guide
Company:
Digital Equipment Corporation
Part:
EK-LA120-UG-005
Date:
1984-05
Keywords:
DECwriter III
Supersedes:
EK-LA120-UG-004,
LA120 User Guide
Table of Contents
Introduction
Chapter 1
Operator Information
Part 1
General User Information
Operator's Console
Lights
Numeric Display
Local Control Keys
SET-UP Keys
Control Character Keys
Control Keys
Other Keys
Optional Numeric Keypad
Power On/Off Switch
Cover Interlock Switch
Paper Adjust Knob
Carriage Adjustment Lever
Tractor Adjust Knobs
Alarm Indicators
Testing and Troubleshooting the LA120
Operator's Troubleshooting Table
Sample LA120 Operator's Card
Part 2
Description of LA120 Features
Form Set-Up Features
Recommended Sequence for Setting Up a Form
Sample Form SET-UP
SET-UP Mode
Selecting Lines Per Inch
Setting Form Length
Top of Form (TOF)
Top and Bottom Margins and Vertical Tabs
Displaying Line Number of a Vertical Tab or Margin
Setting Top Vertical Margin
Setting Bottom Vertical Margin
Clearing Vertical Margins
Setting Single or Multiple Vertical Tabs
Clearing a Single Vertical Tab
Clearing all Vertical Tabs
Characters Per Inch (Horizontal Pitch)
Horizontal Margins and Tabs
Displaying Column Number of a Horizontal Tab or Margin
Setting Left and Right Margins
Clearing Left and Right Margins
Setting Horizontal Tabs
Clearing a Single Horizontal Tab
Clearing all Horizontal Tabs
Operator Comfort Features
Auto Repeat
Last Character View
Bell Volume
Key Click
Communication Features
Line/Local
Baud Rate (Speed)
Answerback
Transmitting or Printing the Answerback Message
Entering/Deleting Answerback Message
Auto Answerback
Buffer Control
Keyboard and Printer Character Set
Printer Character Set
Auto Disconnect
Local Echo
Auto New Line at Right Margin
Auto Line Feed
Modem
Half Duplex (HDX) Initial Calling State
Secondary Channel
Parity and Data Bits
Printer New Line Character
XON/XOFF
Alternate Keypad Mode
Alternate Character Set
Selecting Alternate Character Set
Manually Selecting APL
Manually Deselecting APL
Break Action
Store, Recall, and Status Features
Factory Stored Settings
Store/Recall
Status
Self-Test Feature
Part 3
Ribbons, Forms, and Impressions
Installing Ribbon
Print Impression Adjustment
Loading Paper/Forms
Reloading Paper/Forms
Chapter 2
Installation, Interface, and Specifications
Installation and Configuration
Unpacking and Inspection
Voltage Selector Switch
Packing Procedures
Checkout Procedure
Answerback Jumper
Interface Information
EIA Interface
EIA Cables
Impedance of Terminator
Rise and Fall Times
Open Circuit Voltages
LA120 Specifications
Chapter 3
Programmer Information
General
Escape Sequences
Printer Character Sets
Optional Character Sets
Active Column and Active Line
Linefeed Newline Mode
Horizontal Pitch
Horizontal Margins
Horizontal Tabs
Vertical Pitch
Form Length
Vertical Margins
Vertical Tabs
Product Identification
Alternate Keypad Mode
Control Characters
APL Character Set
Sample Form SET-UP Using Escape Sequences
Synchronization
Fill Time Formulas
Horizontal Movement
Vertical Movement
Keyboard Operation
Auto Repeat
Printable Character Keys
Control Character Keys
Optional Auxiliary Keypad
BREAK Key
VIEW Key
Chapter 4
Communications
Full Duplex (FDX)
Full Duplex Connection Requirements
Full Duplex Break
Full Duplex Disconnect Conditions
Restraint Mode vs Speed Control Mode
Half Duplex (HDX)
Initial Direction Determination
Reverse Channel
Modem Delay
Request to Send Delay
Turnaround Characters
Half Duplex Break
Loss of Data Set Ready
Half Duplex Disconnect
Modem Set-Up Feature Description
General
Half Duplex
Effects of Paper Out
Chapter 5
Options
20 mA LA12X-AL
Installation
Test After Installation
LA12X-DL Expanded Buffer
Chapter 6
Accessories and Supplies
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