Approved by DirecTV for use in the alignment of the L dish
Contents
1. Power consumption Battery Weight Dimensions Accessories Emitor AB Sj viksbacken 14 117 43 Stockholm Sweden Phone 46 8 775 00 01 Fax 46 8 775 00 06 Web www emitor se Technical specification 45 860 MHz 30 120 dBuV 75 Ohm F connector QAM16 QAM32 QAM64 QAM128 or QAM256 2 7 Msymb User programmable in Ksymb steps Three bars showing BER Bit Error Rate before demod correction MER Modulation Error Ratio Constellation diagram One bar showing level in high resolution or 6 bars showing strength of 6 channels Spectrum display dBuV dBmV dBm with maxhold function 10 15V DC Centerpin Back lighted 128x64 Pixels LCD 500mA 8x AA rechargeable batteries of 1200mA each 0 3 kg 185 x 115 x 50 mm Power 12V DC 1A Rubber case Car charger2. showing the signal on the meter To turn the unit OFF push and hold down the ON OFF button 1 2 Power supply and battery DIGIAIR PRO CATV can be fed by an external power supply through the VDC port by an external power source 12v dc max 1A This is useful in case that the battery goes empty during an installation Connect the power source and hold down the ON button for a couple of seconds until the unit turns On To turn the unit OFF when the unit is fed by an external power supply simply disconnect the power source A discharged battery takes about 14 hours to recharge The recharging is controlled by the units microprocessor and is indicated on the display Please notice that to obtain full capacity of new batteries it is necessary to recharge and run down the battery pack a couple of times The meter has 8 x AA rechargeable NiMh batteries in the battery compartment Apart from recharging the battery the unit does not need any particular maintenance The unit should be recharged when the battery is empty indicated with a battery indicator symbol on the display in Single channel mode It is preferably done with one of the enclosed chargers the power supply or the car charger A fully charged battery is operational for more than two hours depending on the external antenna load 1 3 How to use the meter Start by connecting the antenna and then turn the meter On The userinterface works as a revolver where the meter s
3. memory saved The channel nr will flash in normal pace B Chose the next channel to change by highlighting it with the UP DOWN buttons Press the MODE button to open up the memory position The channelnr will start to flash faster Set the new channel with the UP DOWN buttons Press the MODE button and the new channel is locked at this position memory saved The channelnr will flash in normal pace C Repeat step B until all wanted channels have been memorized Press the OK button and the complete setting will be stored Auto power off Set the meter for automatic switch Off after 1 5 10 or 30 minutes Or chose to have the meter always On until manual switch Off DB units Select between dBuV dBmV or dBm Stepping rules In order to step the channels in a pre selected way in single channel mode and digital mode simply select the list in this setup which corresponds with Your need All channels Li st Li st Li st Li st Li st Li st 15 Oj a T Led Contrast Set the contrast of the LCD display Lighter or Darker Backlite Set the backlite of the LCD display On or Off Beeper volume Set the volume of the Beeper with a value from 1 low to 5 high Input freguency Input level Input impedance Demodulation types Symbol rates Measuring method in digital in analog Signal level readout Power supply charger Display
4. of functions 2 1 Single channel mode view one channel In this mode the meter measure analog signal strength on the selected channel The higher dB value the better signal The maximum signal received is also indicated To change the channel use the UP DOWN buttons The battery indicator is not shown when the unit is fed by an external power supply 2 2 Digital mode view digital BER Bit Error Rate and MER Modulation Error Ratio is presented in this mode The BER should be as low less errors as possible The MER should be as high as possible the signal coming out of the noise as much as possible 2 3 Multi channel mode view six channels In this mode the meter measure the signal strength of six individually selected channels DIGIAIR Pro CATV can be set up with five such pages of six channels 5x6 channels The page number is indicated in the top right corner To scroll through the pages use the UP DOWN buttons To show hide the channel numbers use the OK button Also here the difference Tilt between the highest and the lowest channel can be viewed The max peak values are reset when changing page 2 4 Spectrum mode view spectrum In this mode the meter shows all the channels One pixel line represents one channel Move the cursor the animated dotted line with the UP and DOWN buttons and place it on a channel The signal strength of the chosen channel is shown 3 Menu The following menu is shown on the display wh
5. DIGIAIR PRO CATV USER MANUAL Content DIGIAIR PRO CATV Description 2 1 GETTING STARTED 1 1 POWER ON OFF 1 2 POWER SUPPLY AND BATTERY 1 3 HOW TO USE THE METER WWW w 2 DESCRIPTION OF THE FUNCTIONS 2 1 SINGLE CHANNEL MODE 2 2 DIGITAL MODE 2 3 MULTI CHANNEL MODE 2 4 SPECTRUM MODE ON U1 VI VI UT 3 MENU 6 3 1 Symbol Rate 6 3 2 OAM Mode 6 3 3 SETUP 6 TECHNICAL SPECIFICATION 8 DIGIAIR PRO CATV DESCRIPTION Emitor s DIGIAIR Pro CATV is developed in Sweden for cable tv measurement s This is made for both analog and digital cable tv DIGIAIR Pro CATV is microprocessor controlled making it very reliable and accurate Signalstrength is presented on the LCD display In analog mode it shows a single channel or six channels at the same time You can also choose to view the signal in spectrum mode In digital mode it displays the BER bit error rate and MER modulation error ratio Readout of UCB uncorrected bits and CB corrected blocks is also easy to do DIGIAIR Pro CATV is very sensitive and can detect even the weakest signals DIGIAIR Pro CATV is charged via an external DC power source of 10 15 volt The DIGIAIR PRO CATV operates with 8xAA rechargeable batteries The unit will works for at least 2 hours with fully charged batteries 1 Getting Started 1 1 Power ON OFF To turn the unit ON simply push the Power ON OFF button the unit is battery operated The unit starts in Single channel mode
6. en pressing down the MENU button This is the main menu Use the UP DOWN buttons to scroll up and down in the menu system Use the OK button to enable the selected function S4Umbol Rate HAH Mode Setup 3 1 Symbol Rate Here You can add delete and select the symbolrate to use Default is Use channel list and then the symbol rate from the channel list is used Otherwise you can add and select custom symbolrates 3 2 QAM Mode Select the QAMxxx to be used Default is Use channel list In this case the modulation is taken from the preprogrammed channel list 3 3 Setup Active channel list Channel Groups Auto Power ott dE Units Stepping rules Lcd Beeper volume Active channel list Chose the channel list to use There is a tool DigiairCATV for designing new channellists Channel groups In this mode You can select the channels to be stored in DIGIAIR Pro CATV s memory The stored channels are shown in Multi channel mode Set up the five pages with the channels of Your choice Do like this A The top value in the first bar most to the left is flashing when entering this setup Step with the UP DOWN buttons to the channel You want to change Press the MODE button to open up the memory position The channelnr will start to flash faster Set the new channel with the UP DOWN buttons Press the MODE button and the new channel is locked at this position
7. tarts in Single channel mode and the latest channel selected readout of the signallevel in dBuV dBm or dBmV CH 503 121 00HHz Sos SOE yl fax r66 6 Ext Power Press down the mode button again when the antenna is pointed in the right direction This will put the meter in the Digital mode 0 00 03 Ii Hz 11 iki PAD ON Kh POL kild ama ILD Ona iT CODA OMT Mmm co LOCKED nn The CB value is the number of corrected bytes since lock The UCB value is the number of uncorrected blocks since lock Press OK button to change view to constellation diagram ra b F so eFt F F AO b Ft TY 4 F EFI AYTA khk hhRAA kr F r t F H TOS t bs F E brasas Pressing the Mode button again will take the meter to the Multichannel mode where the analog dB signal strength of up to 30 channels can be easily readout l Tilt 1 gt d6 The display shows six channels on each page and there are five pages Step through the pages with the UP and DOWN buttons Select different view on bottom row with OK button The Spectrum mode is accessed with another push on the MODE button The meter shows all channels like a spectrum A marker can select a certain channel with the UP DOWN buttons Signallevel of that channel will be shown in the display also als T 1MAz 63 2dBul Another push on the mode button will take the meter back to Singlechannel mode 2 Description
Download Pdf Manuals
Related Search