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OPERATION MANUAL MODEL MS1400 DIGITAL SCANNING SIGNAL LEVEL METER This document contains information proprietary to JDSU. The information in th

VI Zooming In And Out ...2-35 Resolution ...

MODEL MS1400 Introducing the MS1400INTRODUCTION The MS1400 is a high-performance instrument designed for cable television technicians. The meter permi

1-2 When viewing a file, you can adjust the screen settings the same as when you are viewing a “live” measurement. Using the built-in serial port, you

MS1400 Front Panel: Keypad and Display Screen 1-3

MS1400: Rear, Top and Bottom Views 1-4

A description of these follows: Soft Keys There are three horizontally oriented soft keys located below the display screen. The function of each soft

Alphanumeric Keys The alphanumeric keys are used to enter data while operating your MS1400. Notice that these keys have a numeral and up to three alph

Auto Reference Lets MS1400 automatically set the reference level for you. Snap Shot Holds the measurement. The measurement is retained even if the

THE SCREEN There are certain elements of the screen that will become familiar as you use your MS1400. The Title Bar Notice the title bar at the very

The Status Bar Look for the status bar in the lower portion of the screen. It displays the current date and time. A bar meter indicates the charge re

Exit Limits Submenu Enter Scale Submenu Exit Scale Submenu Save Location Information Sequence Maximum digiCheck™ Accuracy Normal digiCheck™ Acc

Auto Test Create New Location Delete Location Okay Cancel Multiple file select Delete Information Toggle Peak Hold Configure Lists Lists pr

The Edit Box: How to Enter Values The edit box appears in the lower portion of the screen when it is necessary to enter values into your MS1400. An e

THE NAVIGATOR SCREEN You can easily travel to any mode using the NAVIGATOR. To access the NAVIGATOR, press Navigator key. An icon appears on the s

CONFIGURE SCREEN Before using your MS1400, you may want to configure it for your specific needs. The CONFIGURE mode allows you to select global, and

GLOBAL CONFIGURATION SCREEN Operator Name You can personalize your MS1400 by entering your name here. Your name will then appear on report printou

1-16 IMPORTANT: Before performing Scheduled Auto Tests, make sure that the Unit's Shutoff Timeout is NOT programmed for "always on". Pr

1-17 Date Format You can specify the format in which the date is to be displayed and printed. Select from among the following formats: MM/DD/YY DD.MM.

1-18 Baud Rate This is the baud rate that is used when your MS1400 communicates with another device through the serial port. Generally, you will want

MEASUREMENT CONFIGURATION SCREEN Temperature Units Selects the units in which temperature measurements are displayed and printed. You can select °

WARRANTY The warranties described herein shall apply to all commercially available JDSU products. Any additional or different warranties shall apply

Scan Audio Carriers Select YES if you want to see the audio carriers in the full scan screen. You can achieve a faster scan by omitting the audio carr

Note that the enabled test points carry a check mark. To disable a limit, select the Limit and press Select soft key. A check mark appears in the le

1-22 To edit the value of the highlighted limit, press Enter key. When the edit box becomes active, enter the Desired Value. Be sure to press Enter ke

CHANNEL PLAN CONFIGURATION What is a Channel Plan? A channel plan is a framework of cable network parameters chosen by the user for his network. The

By pressing the Up/Down Arrow keys, highlight Channel Plan and then press Enter key to bring up the Configure - Channel Plan screen. This screen lists

1-25 You may implement a plan from this list or let your instrument “learn” the cable plant’s existing channel plan. You may then edit it as desired.

In the Edit box, type the name (up to 15 characters) of your channel plan and press Enter. Press OK soft key to proceed to the Build Channel Plan- ST

Using the numeric keypad, type in a Stop Frequency Value in the Edit box and press Enter. Then press OK soft key. The unit will start searching for a

The unit will complete the build and display the Build Channel Plan- STEP 5 screen (shown right above). Press Right soft key to return to the main Cha

IMPORTANT: You may find an enabled channel that is not in your channel plan. This should be disabled. A channel may be missed if the frequency is spe

merged with other software by Customer or any third party or (b) all or any part of the Software is installed on any computer equipment other than the

1-30 • AUD OFFSET (MHz) Enabled As mentioned earlier, a channel must be enabled in order to be measured. This is another place where you can enable

1-31 Label You can enter a label up to four characters in length for each channel. This label appears next to the channel number on most screens to he

4. Highlight Carrier and press Enter key. Select a digital carrier (QAM, QPSK, QPR, CAP-16) and press Enter key. 5. Highlight Frequency, press Enter k

packages that will be available when you edit a channel. You can select from one of these packages for each channel plan. To enable a package, press

INGRESS CONFIGURATION Sets the measurement and limit parameters for the reverse ingress scan feature. In the Configure screen (page 1-23), highlight

1-35 response time. You can optimize this as necessary for your application. Check Limit Select YES if you want the visual PASS/FAIL indicator to be d

MODEL MS1400 Using the MS1400 INTRODUCTION Section 2 discusses the individual measurements available with the MS1400. Each measurement mode discussion

INSTALLATION The INSTALLATION mode allows you to easily check the channels that you have just installed and verify that they are within limits. If yo

available test points. The test point that you have selected is represented in the upper portion of the screen by one of the following icons: Subscr

I Contents SECTION 1: INTRODUCING THE MS1400 INTRODUCTION ... 1-1 DIGITAL CARRIER MEASUREM

NOTE: Only the limits that are enabled in the selected test point appear on this screen. If there are no enabled test points, this screen will not be

Adjacent Channel Failures lower adjacent channel level upper adjacent channel level both upper and lower adjacent channel levels Video Level Failu

2-6 information. You can attach the report to your work order or file it for future reference. Storing Installation Results Press Shift +Store File ke

LEVEL Press Level Mode key to select LEVEL mode or choose Level Mode icon from the NAVIGATOR. Here you can measure the signal level of a specific cha

Use the Left/Right Arrows to tune your MS1400. The frequency increments or decrements by the step size that you have specified in the Measurements co

You can change the Measurement Bandwidth setting for the channel that you are currently measuring by pressing Enter Bandwidth SubMenu soft key. Enter

2-10 The normal measurement estimates the power over the entire channel. It multiplies the level at the center frequency of the carrier by a scaling f

Over-range The signal level is above the measurement range of the instrument. Under-range The signal level is below the measurement range of the inst

FULL SCAN Press Full Scan mode key to select the FULL SCAN mode or choose Full Scan mode icon from the NAVIGATOR. A spectral graph of all the carrier

scale value. Press Exit Scale Submenu soft key when you have finished. Zooming In And Out To zoom in on or out from the channel selected by the marker

II THE SCREEN... 1-8 The Title Bar...

Subscriber Drop Ground Block Tap User Defined NOTE: Be sure that you have enabled all of the test points that you are interested in using. The Cy

NOTE: The limit check results are updated with each scan. They are also updated immediately when you press Cycle Through Test Points or Toggle Display

Storing A Scan File Press Shift + Store keys to store the current scan measurement into a file. A screen will appear asking you to enter a name for th

TILT TILT mode simplifies the process of balancing an amplifier. TILT mode can only be accessed by choosing Tilt Mode icon from the NAVIGATOR. A spec

2-18 Adjusting The Reference Level The reference level setting is displayed above the graph. This is the level at the very top line. You can adjust th

SCAN The MS1400 includes an additional SCAN mode that can display up to six video carriers. You can access this mode by choosing Full Scan Mode icon

Adjusting The Scale The scale setting is displayed above the graph. You can adjust the scale to provide the best view of the carrier levels by pressin

You can quickly check to see if all SCAN carriers are within limits by looking at the PASS/FAIL indicator above the graph. Measurement Hold You can f

AUTO TEST Your MS1400 is capable of performing unattended, automated level measurement sequences. The sequences can be programmed to repeat over a pe

New/Edit Location This screen is where you enter the information for a new or existing location. Press the Up/Down Arrows to select the item to be ed

III Noise Floor Correction ...1-22 CHANNEL PLAN CONFIGURATION ...

Results File Name Enter the name you want to use for the results file that is created. Your MS1400 will let you know if there is already a results fi

Performing An Auto Test The following screen appears when your MS1400 is performing Auto Test measurements: The number, type and carrier frequency of

2-26 IMPORTANT: Before performing Scheduled Auto Tests, make sure that the Unit's Shutoff Timeout is NOT programmed for "always on". Pr

VIEW To access measurement files that you have stored in your MS1400, choose Store icon from the NAVIGATOR. Files are categorized into Installations,

2-28 To view a file, press the Up/Down Arrows to highlight the name of the file that you want to view. Press the Retrieve soft key or Enter key. To de

TIP: You can resave an Installation file by pressing the Shift + Store keys. This allows you to change the name of the file. Viewing Scan Files There

NOTE: You can print the entire screen at any time by pressing the Shift + Print keys. A bar graph appears indicating the status of the printout. NOTE:

NOTE: To print a 24-hour format report, press the Up/Down Arrows to highlight the first interval that you want included in the report and then press S

The first screen that will appear is a tabular list that includes the video and audio carrier levels along with the delta V/A for each channel. Press

represented in the upper portion of the screen by one of the following icons: Subscriber Drop Ground Block Tap User Defined NOTE: Be sure that y

IV INSTALLATION... 2-2 Selecting Channel Packages ...

INGRESS You can use your MS1400 to search for the presence of noise or ingress that can hamper data communication. Choose Ingress icon from the NAV

Zooming In And Out To zoom in on or out from the channel selected by the marker, press the Enter Zoom Mode soft key. A new set of soft keys will appea

2-36 Measurement Hold You can freeze the ingress measurement at any time by pressing the Shift + Snapshot keys. The measurement is retained even if th

MODEL MS1400 Reference USING THE REFERENCE SECTION Appendix A provides additional information concerning the use of the MS1400. Items include; Help, I

HELP The HELP mode provides on-line user assistance by means of context-sensitive help screens. During normal operations, soft key icons appear at th

INFORMATION Choose the Information icon from the NAVIGATOR. Here you can view information concerning your MS1400. The type of information includes; m

3-4 TECHNICAL SUPPORT We've worked hard to make the MS1400 as easy-to-use as possible. However, if you need assistance or have questions related

MODEL MS1400 Appendix A: Specifications SPECIFICATIONS Frequency Range: 5 to 890 MHz Accuracy: 10 ppm at 25°C (77°F); 20 ppm over temp. Tuning Resol

A-2 General Dimensions: 4.25" (W) x 10.5" (H) x 3" (D) Weight: 1.36 kg (3 lb.) Operating Temp. Range: -10 to +50°C (14 to 122°F) + 3

A-3 Part Number Description type, Female/Female 1019-00-0553 P-MSCLI Printer/Portable Serial Thermal Fusion printer kit (includes cables and adapters

V Adjusting The Scale ...2-18 Measurement Hold...

MODEL MS1400 Appendix B: Power and Battery Management BATTERY PACK LOCATION AND INSTALLATION The MS1400 battery cartridge (1019-00-0479) is located on

B-2 Battery Tips The MS1400 is shipped from the factory only with a light charge. You should recharge the battery upon receipt of your unit to ensure

MODEL MS1400 Appendix C: Interface PortCONNECTOR The MS1400 has a serial interface with RS232 drive, using a 3-pin stereo connector. The serial interf

CABLE SPECIFICATIONS MS1400 TO PC (1019-00-0469) MS1400 TO PRINTER (STANDARD) (1019-00-0468) C-2

MS1400 TO MS1400 (1019-00-0470) MS1400 TO PRINTER (CITIZEN) (1019-00-0467) C-3