Acterna MS1400 Spezifikationen Seite 1

OPERATION MANUALModel MS1400Digital ScanningSignal Level Meter

IVINSTALLATION... 2-2Selecting Channel Packages ...

Global Headquarters20400 Observation DriveGermantown, Maryland 20876-4023 USAToll Free 1-866-228-3762 • Tel +1-301-353-1550 • Fax +1-301-353-0234www.a

VAdjusting The Scale ...2-18Measurement Hold...

VIZooming In And Out ...2-35Resolution ...

1-1MODEL MS1400INTRODUCTIONThe MS1400 is a high-performance instrument designed for cabletelevision technicians. The meter permits level measurements

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

1-3MS1400 Front Panel: Keypad and Display Screen

1-4MS1400: Rear, Top and Bottom Views

1-5A description of these follows:Soft KeysThere are three horizontally oriented soft keys located below thedisplay screen. The function of each soft

1-6This key to used to enter or input your entry or selection.Alphanumeric KeysThe alphanumeric keys are used to enter data while operating yourMS1400

1-7Configures your MS1400 for your own specific needs.Auto ReferenceLets MS1400 automatically set the reference level for you.Snap ShotHolds the measu

1-8Prints a measurement screen, installation report, auto test report,or configuration report to a serial printer.Store FileStores an Installation, Sc

1-9THE SCREENThere are certain elements of the screen that will become familiar as youuse your MS1400.The Title BarNotice the title bar at the very to

1-10The Status BarLook for the status bar in the lower portion of the screen. It displaysthe current date and time. A bar meter indicates the chargere

1-11 Exit Limits Submenu Enter Scale Submenu Exit Scale Submenu Save Location Information Sequence Maximum digiCheck™ Accuracy Normal digiCheck™ Accur

1-12 Tilt Mode Auto Test Create New Location Delete Location Okay Cancel Multiple file select Delete Information Toggle Peak Hold Configure ListsLists

1-13list. You can use this to get an idea of where you are. When youhave reached the first or last item, an arrow appears inside thescroll box pointin

1-14THE NAVIGATOR SCREEN You can easily travel to any mode using the NAVIGATOR. To access theNAVIGATOR, press Navigator key.An icon appears on the scr

1-15CONFIGURE SCREEN Before using your MS1400, you may want to configure it for yourspecific needs. The CONFIGURE mode allows you to select global, an

1-16GLOBAL CONFIGURATION SCREEN Operator NameYou can personalize your MS1400 by entering your name here.Your name will then appear on report printouts

1-17IMPORTANT: Before performing ScheduledAuto Tests, make sure that the Unit's ShutoffTimeout is NOT programmed for "always on".Progra

OPERATION MANUALMODEL MS1400DIGITAL SCANNINGSIGNAL LEVEL METERThis document contains informationproprietary to Acterna. The information inthis documen

1-18Date FormatYou can specify the format in which the date is to be displayed andprinted. Select from among the following formats:MM/DD/YYDD.MM.YYYY.

1-19Baud RateThis is the baud rate that is used when your MS1400 communicateswith another device through the serial port. Generally, you will wantto u

1-20MEASUREMENT CONFIGURATION SCREEN Temperature UnitsSelects the units in which temperature measurements are displayedand printed. You can select °C

1-21Scan Audio CarriersSelect YES if you want to see the audio carriers in the full scanscreen. You can achieve a faster scan by omitting the audiocar

1-22Note 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

1-23To edit the value of the highlighted limit, press Enter key. When theedit box becomes active, enter the Desired Value. Be sure to pressEnter key w

1-24CHANNEL PLAN CONFIGURATIONWhat is a Channel Plan?A channel plan is a framework of cable network parameters chosenby the user for his network. The

1-25By pressing the Up/Down Arrow keys, highlight Channel Plan andthen press Enter key to bring up the Configure - Channel Planscreen. This screen lis

1-26You may implement a plan from this list or let your instrument“learn” the cable plant’s existing channel plan. You may then edit itas desired. To

1-27In the Edit box, type the name (up to 15 characters) of your channelplan and press Enter. Press OK soft key to proceed to the BuildChannel Plan- S

1-28Using the numeric keypad, type in a Stop Frequency Value in theEdit box and press Enter. Then press OK soft key. The unit will startsearching for

1-29The 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 C

1-30IMPORTANT: You may find an enabledchannel that is not in your channel plan. Thisshould be disabled. A channel may be missedif the frequency is spe

1-31· AUD OFFSET (MHz)EnabledAs mentioned earlier, a channel must be enabled in order to bemeasured. This is another place where you can enable or di

1-32LabelYou can enter a label up to four characters in length for eachchannel. This label appears next to the channel number on mostscreens to help y

1-334. Highlight Carrier and press Enter key. Select a digital carrier(QAM, QPSK, QPR, CAP-16) and press Enter key.5. Highlight Frequency, press Ent

1-34packages that will be available when you edit a channel. You canselect from one of these packages for each channel plan.To enable a package, press

1-35INGRESS CONFIGURATIONSets the measurement and limit parameters for the reverse ingress scanfeature. In the Configure screen (page 1-23), highlight

1-36response time. You can optimize this as necessary for yourapplication.Check LimitSelect YES if you want the visual PASS/FAIL indicator to bedispla

2-1MODEL MS1400INTRODUCTIONSection 2 discusses the individual measurements available with theMS1400. Each measurement mode discussion includes detaile

WARRANTYThe warranties described herein shall apply to all commercially available Acterna products.Any additional or different warranties shall apply

2-2INSTALLATIONThe INSTALLATION mode allows you to easily check the channels thatyou have just installed and verify that they are within limits. If yo

2-3available test points. The test point that you have selected isrepresented in the upper portion of the screen by one of thefollowing icons:Subscrib

2-4each limit, the worst case actual value is displayed along with apass/fail status.NOTE: Only the limits that are enabled in theselected test point

2-5the limits check. If the channel failed, you can identify the reason(s)for the failure by looking at the symbols that appear in this indicator.Adja

2-6printout. The report lists level measurements for all the channelsthat you installed and indicates out-of-limit conditions with an overallPASS/FAIL

2-7LEVELPress Level Mode key to select LEVEL mode or choose LevelMode icon from the NAVIGATOR. Here you can measure thesignal level of a specific chan

2-8Tuning By FrequencyThe Toggle Between Frequency/Channel Tuning soft key togglesbetween frequency and channel tuning. When you choosefrequency tunin

2-9You can change the Measurement Bandwidth setting for thechannel that you are currently measuring by pressing EnterBandwidth SubMenu soft key. Enter

2-10The normal measurement estimates the power over the entirechannel. It multiplies the level at the center frequency of thecarrier by a scaling fact

2-11Over-rangeThe signal level is above the measurement range of the instrument.Under-rangeThe signal level is below the measurement range of the inst

Software is altered or modified or is merged with other software by Customer or any thirdparty or (b) all or any part of the Software is installed on

2-12FULL SCANPress Full Scan mode key to select the FULL SCAN mode or chooseFull Scan mode icon from the NAVIGATOR. A spectral graph of all thecarrier

2-13scale value. Press Exit Scale Submenu soft key when you havefinished.Zooming In And OutTo zoom in on or out from the channel selected by the marke

2-14Subscriber DropGround BlockTapUser Defined NOTE: Be sure that you have enabled all ofthe test points that you are interested in using.The Cycle Th

2-15NOTE: The limit check results are updatedwith each scan. They are also updatedimmediately when you press Cycle ThroughTest Points or Toggle Displa

2-16Storing A Scan FilePress Shift + Store keys to store the current scan measurementinto a file. A screen will appear asking you to enter a name for

2-17TILTTILT mode simplifies the process of balancing an amplifier. TILT modecan only be accessed by choosing Tilt Mode icon from theNAVIGATOR. A spec

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

2-19SCANThe MS1400 includes an additional SCAN mode that can display up tosix video carriers. You can access this mode by choosing Full ScanMode icon

2-20Adjusting The ScaleThe scale setting is displayed above the graph. You can adjust thescale to provide the best view of the carrier levels by press

2-21You can quickly check to see if all SCAN carriers are within limits bylooking at the PASS/FAIL indicator above the graph.Measurement HoldYou can f

IContentsSECTION 1: INTRODUCING THE MS1400INTRODUCTION ... 1-1DIGITAL CARRIER MEASUREMENT

2-22AUTO TESTYour MS1400 is capable of performing unattended, automated levelmeasurement sequences. The sequences can be programmed to repeatover a pe

2-23New/Edit LocationThis screen is where you enter the information for a new orexisting location. Press the Up/Down Arrows to select the itemto be ed

2-24Compensation is added directly to the signal levelmeasurements. You can use this to compensate for lossesassociated with probe points found on cer

2-25The ambient temperature at which the test is performed isrecorded. Your MS1400 uses an internal temperature sensor forthis purpose. If you prefer

2-26IMPORTANT: To conserve battery life, yourMS1400 will automatically shut itself offbetween scheduled intervals. IMPORTANT: Before performing Schedu

2-27VIEWTo access measurement files that you have stored in your MS1400,choose Store icon from the NAVIGATOR. Files are categorized intoInstallations,

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

2-29TIP: You can resave an Installation file bypressing the Shift + Store keys. This allowsyou to change the name of the file.Viewing Scan FilesThere

2-30NOTE: You can print the entire screen at anytime by pressing the Shift + Print keys. A bargraph appears indicating the status of theprintout.NOTE:

2-31NOTE: To print a 24-hour format report, pressthe Up/Down Arrows to highlight the firstinterval that you want included in the reportand then press

IITHE SCREEN... 1-9The Title Bar...

2-32The first screen that will appear is a tabular list that includes thevideo and audio carrier levels along with the delta V/A for eachchannel. Pres

2-33represented in the upper portion of the screen by one of thefollowing icons:Subscriber DropGround BlockTapUser Defined NOTE: Be sure that you hav

2-34INGRESS You can use your MS1400 to search for the presence of noise oringress that can hamper data communication. Choose Ingress icon from the NAV

2-35Use the Increment and Decrement soft keys to increment anddecrement the scale value. Press the Exit Scale Submenu soft keywhen you have finished.Z

2-36Measurement HoldYou can freeze the ingress measurement at any time by pressingthe Shift + Snapshot keys. The measurement is retained even ifthe ca

3-1MODEL MS1400USING THE REFERENCE SECTIONAppendix A provides additional information concerning the use of theMS1400. Items include; Help, Information

3-2HELPThe HELP mode provides on-line user assistance by means of context-sensitive help screens. During normal operations, soft key icons appearat th

3-3INFORMATIONChoose the Information icon from the NAVIGATOR. Here you can viewinformation concerning your MS1400. The type of information includes;mo

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

A-1MODEL MS1400SPECIFICATIONSFrequencyRange: 5 to 890 MHzAccuracy:10 ppm at 25°C (77°F); 20 ppm overtemp.Tuning Resolution: 25 kHzLevel MeasurementRan

IIINoise Floor Correction ...1-23CHANNEL PLAN CONFIGURATION...

A-2GeneralDimensions: 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) + 3dBdrift,

A-3Part Number Descriptiontype, Female/Female1019-00-0553 P-MSCLI Printer/Portable SerialThermal Fusion printer kit (includescables and adapters requi

B-1MODEL MS1400BATTERY PACK LOCATION AND INSTALLATIONThe MS1400 battery cartridge (1019-00-0479) is located on the back ofthe unit. To remove or repla

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

C-1MODEL MS1400CONNECTORThe MS1400 has a serial interface with RS232 drive, using a 3-pinstereo connector. The serial interface has a driver built in

C-2CABLE SPECIFICATIONSMS1400 TO PC (1019-00-0469)MS1400 TO PRINTER (STANDARD) (1019-00-0468)

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