Sadelco DisplayMax 600 Manuale utente

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Sadelco DisplayMax Operator’s Manual

This document contains information proprietary to Sadelco, Inc. The information in this document is not to be used or duplicated in

any manner without prior written consent from Sadelco.

DisplayMax Manual Part No. ST1008

Rev. 08-31-2001

DisplayMax 600 47 – 600 MHz Scanning Signal Level Meter

DisplayMax 600 CLI 47 – 600 MHz Scanning Signal Level Meter and Calibrated Leakage Detector

DisplayMax 800 5 – 872 MHz Scanning Signal Level Meter

With Sub Band and Ingress Sweep

DisplayMax 800CLI 5 – 872 MHz Scanning Signal Level Meter and Calibrated Leakage Detector

With Sub Band and Ingress Sweep

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Warranty

Sadelco warrants all instruments against defects in material and workmanship for a period of twelve months after shipment. Sadelco

will repair or replace any assembly or component (except batteries) found to be defective under normal use during this period.

Sadelco’s obligation under this warranty is limited solely to repairing any instrument which, in Sadelco’s opinion, proves to be

defective within the scope of the warranty when returned to the factory. Transportation to the factory is to be prepaid by the

purchaser. Return transportation via UPS surface will be provided by Sadelco. Should the customer request an alternate shipping

method, the customer will be solely responsible for any charges in excess of UPS surface rates.

This warranty does not apply to any products repaired or altered by any persons not authorized by Sadelco, or not in accordance with

instructions furnished by Sadelco. If the instrument is defective as a result of misuse, improper repair, or abnormal conditions of

operation, the warranty will become void. In doubtful cases, we will contact the purchaser for non-warranty repair authorization.

Please notify us if an estimate is required.

Sadelco assumes no responsibility for its products being used in a hazardous manner either alone or in conjunction with other

equipment. Sadelco assumes no liability for secondary damages and, in any event, Sadelco’s liability for breach of warranty under

any contract or otherwise shall not exceed the purchase price of the specific product shipped and against which a claim is made.

An RMA number is not required to return either warranty or repair units to Sadelco. However, Sadelco assumes no liability for any

product in transit to Sadelco. Please make sure to include a description of the problem or symptom along with your complete

company name, address, telephone, fax, and contact person.

For Warranty or Repair Service return to:

Sadelco, Inc., 75 West Forest Ave. Englewood, NJ 07631 USA

Tel: 800-569-6299 (USA Only) Tel: 201-569-3323 Fax: 201-569-6285

e-mail: [email protected] Website: www.sadelco.com

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Table of Contents

Keypad Control Diagram …………………………………………….. 3

Initial Startup …………………………………………………………. 4

Customizing Your Meter …………………………………………….. 4

Setup Menu ……………………………………………………………. 6

Cloning ………………………………………………………………... 10

Meter Operation………………………………………………………. 11

Battery ………………………………………………………. 11

Lights ………………………………………………………… 12

Display Contrast ……………………………………………. 12

Speaker ……………………………………………………… 12

Automatic Calibration ……………………………………… 12

Signal Level Measurement ………………………………………….. 13

General ………………………………………………………. 13

Single Channel Tuning ………………………………………14

Tuning by Frequency ……………………………………….. 14

Full Scan Tuning ……………………………………………. 14

Zoom …………………………………………………………. 14

Favorite Channel Tuning …………………………………... 14

Tilt …………………………………………………………….15

Sub Band (800 versions only) ………………………………. 15

Checking Levels Against Limits …………………………………….. 15

Digital Channel Measurement ………………………………………. 16

Data Recording, Printing and Downloading..……………………….. 17

Storage Capacity…………………………………………….. 17

Saving Measurements ………………………………………. 17

Recalling and Deleting Files ………………………………… 17

Creating Excel Spreadsheets………………………………… 17

Download to Windows 3.11 Terminal……………………… 18

Download to Windows 95/98 HyperTerminal …………….. 19

Print Direct to Serial Printer ………………………………. 19

24 Hour Testing ………………………………………………………. 20

Hum …………………………………………………………………….21

Carrier to Noise ………………………………………………………. 22

Ingress Sweep (800 versions only) …………………………………... 22

Leakage Detector (CLI versions only) ………………………………. 23

Appendix A: Specifications ………………………………………….. 28

Appendix B: Accessories …………………………………………….. 29

Appendix C: Cable Wiring Diagrams ………………………………. 30

Appendix D: Trouble Shooting Guide ………………………………. 31

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UP DOWN ARROW KEYS In tuning

modes, adjust vertical scale on display.

In Setup, scroll up or down the screen.

With FNC, increase or decrease contrast.

MAIN TUNING MODE KEYS

For selecting tuning modes.

INGRESS, LEAKAGE, TILT

KEYS Used with FNC to select

these modes.

RIGHT LEFT ARROW KEYS In tuning

modes, move cursor to select next channel or

frequency. In Setup, move cursor right or

left. With FNC, increase or decrease volume

HUM, C/N, 24 HR KEYS

Used with FNC to select these modes

DOWNLOAD, PRINT, RECALL,

DELETE Downloads, prints, recalls

and deletes saved measurements.

ESCAPE Escape functions

or go back up menus.

FUNCTION Used to

select Function modes

indicated by blue markings.

LIGHT, SETUP, BATTERY

Used with FNC to select these

functions.

SAVE

Stores measurements in memory

ENTER In tuning modes completes

numeric channel entries. In Setup

completes edits.

CLEAR Clears a channel

entry before it is finalized with

ENT.

ON OFF

Manual Power Switch.

ALPHANUMERIC KEYS In tuning modes,

select channel when followed by ENT. In setup,

select alpha or numeric characters to edit settings.

F1, F2, F3, F4 SOFT KEYS Function

varies with selected operation. Icons

and labels in the display screen identify

each function.

DisplayMax Keypad Controls

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Initial Startup

1. Connect the AC/DC charger. Right side of unit

2. Turn your meter on. Press ON/OFF

3. Turn on the backlight if necessary. Press FNC, LIGHT

4. Adjust display contrast if necessary. Press FNC, UP/DOWN ARROW

5. Connect an RF signal source. Input F connector is located on the top of the meter.

6. Press the red FULL SCAN key. Your DisplayMax will now tune, measure, and display all channels in the selected

channel plan.

7. Use ←→to scroll through channels. You can also tune channels by entering the Channel Number, then ENT.

Customizing Your DisplayMax

Factory default settings allow you to begin using your DisplayMax immediately. However, we recommend that you verify that the

following user definable options match your requirements.

1. Make sure you are in the correct channel plan. The Channel Plan name is located in the lower left corner of the display.

The factory default is EIA (NCTA). See Setup Menu Section 1.1

2. Make sure to select digital channels and delete unused channels. See Setup Menu Section 1.2

3. Make sure the correct measurement units have been selected. Measurement units appear on the right side of the display,

just above the Video Level. The factory default is dBmV. See Setup Menu Section 2.7

Generic Keypad Controls for SETUP

The easiest way to learn how to customize your meter is by actually doing it. The following keypad controls work the same way in all

SETUP menus.

FNC, SETUP To access main SETUP menu.

UP/ DOWN ARROWS To scroll to a desired line item.

To scroll through options in some edit boxes.

ENT To select a highlighted line item for editing.

To finalize an edit.

RIGHT/LEFT ARROWS To move the edit cursor when doing alphanumeric edits.

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ALPHANUMERIC KEYS To change the character indicated by the edit cursor: press once to select the number, press again

to scroll through alpha choices, e.g. For the number 2, press the “2” Key once, for A - press it

twice, for B - press it 3 times, for C - press it 4 times. Use the Right/Left arrow to move the

cursor to the next position. When finished, Press ENT.

+/- To change the sign of a number.

F1, F2, F3, F4 As indicated in display.

ESC To escape up one menu level.

To exit the SETUP mode.

Basic Method For Editing in Setup

1. Press FNC, Setup to access the Main Setup Menu.

2. Use UP/Down Arrows to highlight the desired Setup Section.

3. Press ENT to select this section.

4. Use UP/Down Arrows to highlight the desired line item within each Setup Section.

5. Press ENT to select the line item for editing.

6. When a line item has been selected, it appears in the Edit Box at the bottom of the screen.

7. Use UP/Down Arrows or Alphanumeric Keys to edit the line item.

8. Use Right/Left Arrows to move the edit cursor position.

9. Press ENT to complete each line item edit.

10. After a line item is edited, the new value appears on the proper line and the edit box is blank.

11. Use UP/Down to select another line item or ESC to exit.

12. To erase an alphanumeric character, press the Zero Key twice until a blank appears.

Select sub-menus using

↑↓

, then ENT

Items being edited appear in this box

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Setup Menu

The following section lists all settings that can be customized by the user. Keypad controls for selection and editing are

similar for all Setup Menu Sections. Detailed keypad instructions have been included for a few of the more complicated

sections.

1. 0 Channel Plans

1.1 Selecting A Different Channel Plan

DisplayMax comes preprogrammed with several standard channel plans. NTSC, HRC, IRC, AIR, and PAL.

Additional standard and custom plans are available from the factory. The factory default plan is EIA (NTSC).

To Select a different plan:

Press FNC, SETUP

CHANNEL PLANS is the first menu item and will already be highlighted.

Press ENT to select.

SELECT A CHANNEL PLAN is the first menu item and will already be highlighted.

Press ENT to select.

Use UP/DOWN Arrow Keys to scroll to and highlight a different channel plan if desired.

Press ENT to select.

Press ESC to exit sub-menu.

Press ESC to exit SETUP

1.2 Edit the Current Channel Plan

DisplayMax allows separate editing of each plan. Multiple copies of the most common plan, EIA, have been included for users who

operate in multiple systems with different sets of channels.

Indicates LO tilt channel

X indicates deleted channel

Indicatesdigitalchannel

Press ENT to enter or edit name

Press F1 to delete unused channels Press F4 to delete all subsequent channels and end the plan

Press F2 to mark favorite channels

(Fav 1 is automatically LO Tilt Channel) Press F3 to mark a digital channel

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To Edit a Channel Plan:

Press FNC, SETUP

CHANNEL PLANS is the first menu item and will already be highlighted.

Press ENT to select.

Arrow down to EDIT CURRENT PLAN

Press ENT to select

The first channel in the plan is highlighted. It can be edited as follows:

F1 To delete the channel

F2 To mark it as one of 9 Favorite channels

Fav 1 is automatically designated as the Lo Tilt Channel

The highest marked Fav is automatically designated as the HI Tilt Channel

F3 To mark it as a digital channel

Repeat as required for each channel,

Scroll down through all desired channels, then:

F4 Marks the highlighted channel as last active channel in the plan and deletes all subsequent channels.

Press ESC to back out of each menu level. (press ESC three times to return to measurement mode)

Adding Channel Names

You may also enter a four-character name for each channel when it is highlighted. Press ENT, then use the alphanumeric keys. The

name will appear in the edit box. To enter the letter A, press the Number 2 Key twice. Then Arrow Right for the next character.

When finished, Press ENT to finalize the edit.

1.3 Restore The Current Channel Plan

This function lets you quickly restore the full, unedited channel plan that has been selected. All user edits to the plan will be deleted.

Press FNC, SETUP

CHANNEL PLANS is the first menu item and will already be highlighted.

Press ENT to select.

Arrow down to RESTORE CURRENT PLAN

Press ENT to select

Press ESC to abort or

Press ENT to restore the channel plan to its original form.

2.0 Meter Operation

2.1 Current Time

Time is always displayed in 24-hour military fashion.

HH:MM:SS

2.2 Current Date:

Date is always displayed as Month, Day, Year

MM/DD/YY

2.3 Power Auto Off

Automatic meter shutoff after last keypad entry extends battery life.

5 Minutes (factory default)

10 Minutes

Never (stays on until manual shutoff)

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2.4 Lite Auto Off

Automatic light shutoff after last keypad entry extends battery life.

1 Minute (factory default)

2 Minutes

Never (light stays on until manually shut off or meter is turned off)

2.5 Brightness

LCD backlight brightness adjustment - use Low for maximum battery life.

High

Low

Medium (factory default)

2.6 Beep

Turn Keypad entry Beep On or Off

ON (factory default)

OFF

2.7 Measurement Units

Switch between dBmV and dBuV.

dBmV dB millivolts (factory default)

dBuV dB microvolts

Note: Switching measurement units will automatically change all display screens and channel checking limits. The only function not

effected is Leakage Detection which has independent, user selectable measurement units.

2.8 Analog Cal Offset

Caution: DisplayMax is a precision instrument with automatic self-calibration using a built-in white noise reference. This offset

allows the user to adjust the gain or loss of all analog channels by the same amount to match another instrument or external reference.

Before making any adjustments, keep in mind that discrepancies of +/- 2.0 dB between the readings of two signal level meters are

possible and within manufacturers’ specifications (each meter being +/-1.0 dB).

2.9 Digital Channel Offset

Caution: DisplayMax is a precision instrument with automatic self-calibration using a built-in white noise reference. This offset

allows the user to adjust the gain or loss of all digital channels (single channel or scanning mode) by the same amount to match

another instrument or external reference. Before making any adjustments, keep in mind that discrepancies of +/- 2.0 dB between the

readings of two signal level meters are common and within manufacturers’ specifications (each meter being +/-1.0 dB).

2.10 Digital Bandwidth Adjustment

Factory default is set for 6 MHz digital channel bandwidth. User can alternately select 8 MHz .

2.11 Digital Scan Offset

This offset is applied only to digital channels when being measured in a scan mode (Sub, Zoom, Full Scan, Fav). This offset may be

required when measuring non-QAM signals in the scan mode. See Digital Channel Measurement.

3.0 Edit Check Limits

Four sets of check limits for analog channels have been factory preset.

These limits can all be edited by the user.

The factory defaults are:

ANALOG CHANNELS DROP GBLK TAP USER

Minimum Video Level 00.0 03.0 03.0 00.0

Maximum Video Level 15.0 18.0 18.0 15.0

Maximum Delta Video Level 10.0 10.0 10.0 10.0

Minimum Delta Video-Audio 10.0 10.0 10.0 10.0

Maximum Delta Video-Audio 17.0 17.0 17.0 17.0

Maximum Adjacent Channel 03.0 03.0 03.0 03.0

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