Inotech IT-910C Operation & User’s Manual

Content 1. Note ................................................................................................................................................................. 4 2. Product Description ................................................................................................................................... 5 2.1 Introduction ........................................................................................................................................................ 5 2.2 Front panel and description ............................................. ...

Fig. 3-6 Fig. 3-7 3.4 CNR measurement Use directional/enter key to select ‘CNR’, or press numerical ‘3’ key to enter directly in main menu, as Fig. 3-8 shows. Use numerical and enter keys or up/right keys to revise measurement channel. Note: This function is only available when input RF level is higher than 50dBuV. Fig. 3-8 Fig. 3-9 3.5 Voltage measurement Use directional/enter key to select ‘VOLTAGE’, or press numerical ‘4’ key to enter directly in main menu, as Fig. 3-9 shows. Press F2 switch to battery voltage display and press F3 switch to internal temperature ...

Fig. 3-3 Fig. 3-4 Fig. 3-5 3.2.3 Digital channel measurement Digital channel measurement results show as Fig. 3-4 and 3-5. Average channel power, MER, BER constellation diagram are shown. Press up/down direction key or press F1 key to revise the channel that need test. Press Mute to return to main menu. Note1: Channel number input should be within channel plan list, otherwise it’s invalid. Channel plan list is provided by customer and has been written into the equipment’s memory before shipping. Generally, current active channel plan is the first one in the memory. To change ...

Content 1. Note ................................................................................................................................................................. 4 2. Product Description ................................................................................................................................... 5 2.1 Introduction ........................................................................................................................................................ 5 2.2 Front panel and description ............................................. ...

4. Technical Specifications Analog Channels Measurement Frequency range 48~870MHz Frequency resolution ratio 50KHz Bandwidth 280KHz RF Level Measurement RF input range 20~120dBuV Accuracy +/-1.5dB(25+/-5 degree C) Resolution 0.1dB Detection Peak C/N Measurement RF input range > 50dBuV Accuracy +/-2dB Resolution 0.1dB Tilt Measurement Maximum channels supported 10 Resolution 0.1dB Voltage Measurement Input range 0~100VAC Accuracy +/-2V Resolution 0.1V Digital Channels Measurement Frequency range 48~870MHz Standard DVB-C/ITU-T J.83 A/C Demodulation 16/32/64/128/256QAM Digital powe ...

Fig. 3-10 Fig. 3-11 3.6.2 Edit Channel Use up/down direction key and enter key to enter Edit Channel screen. Also use up/down direction key and enter key to select channel that need edit, as Fig. 3-12 and Fig. 3-13 show. Analog channel edit screen as Fig. 3-12. Channel number: Press direction keys up/down to select ‘CH’, then press enter key to confirm. Press number keys to input channel number and press enter key to confirm. If the input channel number exists, channel number will remain unmodified. Channel type: Press direction keys up/down to select ‘TYPE’, then press e ...

Content 1. Note ................................................................................................................................................................. 4 2. Product Description ................................................................................................................................... 5 2.1 Introduction ........................................................................................................................................................ 5 2.2 Front panel and description ............................................. ...

4. Technical Specifications Analog Channels Measurement Frequency range 48~870MHz Frequency resolution ratio 50KHz Bandwidth 280KHz RF Level Measurement RF input range 20~120dBuV Accuracy +/-1.5dB(25+/-5 degree C) Resolution 0.1dB Detection Peak C/N Measurement RF input range > 50dBuV Accuracy +/-2dB Resolution 0.1dB Tilt Measurement Maximum channels supported 10 Resolution 0.1dB Voltage Measurement Input range 0~100VAC Accuracy +/-2V Resolution 0.1V Digital Channels Measurement Frequency range 48~870MHz Standard DVB-C/ITU-T J.83 A/C Demodulation 16/32/64/128/256QAM Digital powe ...