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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 when 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.  

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.

Chose the channel-list to use. There is a tool, 

DigiairCATV

  for 

designing new channellists.

6

Summary of Contents for DIGIAIR PRO CATV

Page 1: ...DIGIAIR PRO CATV USER MANUAL...

Page 2: ...IAIR 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...

Page 3: ...s 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...

Page 4: ...uncorrected blocks since lock Press OK button to change view to constellation diagram Pressing the Mode button again will take the meter to the Multichannel mode where the analog dB signal strength o...

Page 5: ...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 er...

Page 6: ...UP DOWN buttons to scroll up and down in the menu system Use the OK button to enable the selected function 3 1 Symbol Rate Here You can add delete and select the symbolrate to use Default is Use chann...

Page 7: ...ce 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 channel nr will start to flash faster Set the new channel wit...

Page 8: ...tal Three bars showing BER Bit Error Rate before demod correction MER Modulation Error Ratio Constellation diagram in analog One bar showing level in high resolution or 6 bars showing strength of 6 ch...

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