Related Manuals for Sadelco DisplayMax 800
Summarization of Contents
DisplayMax Keypad Controls
Soft Keys (F1-F4)
Function varies with selected operation, icons and labels identify each function.
Navigation and Tuning Keys
Includes arrow keys for movement and red keys for main tuning modes.
Function and Mode Keys
Used with FNC to select specific functions like Hum, C/N, 24 HR, and Leakage.
Action and Entry Keys
Keys for data entry, saving, escaping menus, and power control.
Initial Startup
Connecting and Powering On
Steps to connect charger, turn on meter, and adjust display contrast.
Connecting RF Signal Source
Procedure for connecting an RF signal source to the meter.
Performing Initial Scan
How to perform a full scan and scroll through channels after setup.
Customizing Your DisplayMax
Channel Plan Selection
Verifying the correct channel plan for operation. Factory default is EIA (NCTA).
Digital Channel and Unit Settings
Selecting digital channels and measurement units like dBmV.
Generic Keypad Controls for SETUP
Explains basic keypad controls for navigating and editing SETUP menus.
Basic Method For Editing in Setup
Alphanumeric Key Input
How to use alphanumeric keys to change characters and numbers in setup.
Navigating Setup Menus
Using arrow keys and ENT/ESC to select and edit menu items.
Editing Specific Setup Items
Step-by-step process for editing line items within setup sections.
Setup Menu
1.1 Selecting A Different Channel Plan
How to select preprogrammed or custom channel plans. Factory default is EIA (NTSC).
1.2 Edit the Current Channel Plan
Allows editing of individual channel plans, marking favorites, and deleting channels.
Setup Menu (Continued)
To Edit a Channel Plan
Detailed steps for editing channel plans, including F1-F4 functions and adding names.
1.3 Restore The Current Channel Plan
Restores the selected channel plan to its original factory settings, deleting user edits.
Meter Operation
Basic Operation and Settings
Covers initial startup, time, date, power auto-off, and basic settings.
Display and Battery Management
Details on display features, battery charging, life, and power-saving functions.
Advanced Meter Features
Information on audio speaker, automatic calibration, and display contrast.
Edit Check Limits
Analog Channel Limits
Factory preset check limits for analog channels, editable by user.
Digital Channel Limits
Factory preset check limits for digital channels, editable by user.
Communications
5.1 Baud Rate
Selecting the communication baud rate for data transfer. Factory default is 9600.
Cloning Procedure
Detailed steps and requirements for cloning settings between DisplayMax meters.
Signal Level Measurement
Tuning Modes and Display Overview
Introduces tuning modes and explains the Full Channel View display.
Signal Level Checking Procedures
How to check signal levels against limits and use soft keys.
Signal Level Measurement (Continued)
Specific Tuning Modes
Details on Single Channel, Full Scan, Zoom, and Favorite channel modes.
Signal Level Measurement (Continued)
Tilt and Sub Band Measurement
Features for system tilt calculation and sub band channel display.
Detailed Signal Level Checks
In-depth explanation of performing and interpreting signal level checks against limits.
Signal Level Measurement (Continued)
Digital Channel Measurement
Procedure for measuring digital channels, including designation and bandwidth.
Data Recording, Printing and Downloading
Storage and Saving Measurements
Details on storage capacity, saving results, and file naming conventions.
Recalling, Deleting, and Exporting Data
Procedures for managing saved files and exporting data to Excel.
Download/Print Using Windows 3.11 Terminal
Connecting and Configuring Terminal
Steps to connect DisplayMax and configure Windows 3.11 Terminal for data transfer.
Download/Print Using Windows 95/98 Hyper Terminal
Connecting and Configuring Hyper Terminal
Steps to connect DisplayMax and configure Windows 95/98 Hyper Terminal for data transfer.
Printing Directly to a Serial Printer
Connecting and Printing
Instructions for connecting to and printing directly to a serial printer.
24 Hour Testing
Parameter Configuration
User adjustable parameters for 24 HR test, including time, date, and scan settings.
Test Activation and Operation
How to activate and manage the 24 HR test, including scan scheduling and prompts.
Hum
Hum Measurement Methods
Explains measuring hum on active audio, unmodulated audio, and video carriers.
Carrier to Noise Ratio
C/N Measurement Procedure
How DisplayMax measures Carrier to Noise ratio, including sampling time and conditions.
Ingress Sweep
Ingress Sweep Operation
Checking the house for unwanted signals using the ingress sweep function.
Leakage Detector (CLI versions only)
Leakage Detector Modes and Setup
Overview of Search/Measurement modes and configurable setup parameters.
Measurement Mode Specifics
Details on distance, threshold, and antenna settings for leakage measurement.
Leakage Detector (Continued)
Vehicle-Based Search and Antenna Use
Using the meter from a vehicle and considerations for different antenna types.
Leakage Detector (Continued)
Tone Identification and Leak Location
Understanding detector tones and techniques for identifying leak sources.
Leakage Detector (Continued)
Search Mode Details
Filter function for sync pulses, and visual indicators in Search Mode.
Measuring Leaks
FCC Leakage Measurement Requirements
Prescribed FCC requirements for detecting and documenting leaks (20 uV/m, 3m, dipole, 10ft).
Procedure for Measuring Leaks
Step-by-step guide to measuring leaks using the DisplayMax, including antenna and distance setup.
Appendix A: Specifications
Frequency and Channel Measurement Specs
Specifications for frequency, analog, and digital channel measurements.
Leakage, Hum, and Other Specs
Specifications for leakage, hum, tilt, audio, general, battery, and channel plans.
Appendix B: Accessories
Supplied and Optional Accessories
Lists of accessories provided with and available for the DisplayMax.
Appendix C: Cable Wiring Diagrams
Cable Wiring Diagrams
Wiring diagrams for PC download, cloning, and modem cables.
Appendix D: Trouble Shooting Guide
Common Meter Issues and Solutions
Troubleshooting for charging, signal readings, leakage, display, and keypad problems.
Advanced Troubleshooting
Resolving display lock-ups and using RS232 reset for unresponsive keypads.
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