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Содержание SDU-5000

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Страница 28: ... via the RS232 Note The output level of the ICOM receiver s is about 10 15dB below that of the AOR receiver s 2 Should the connection be lost use CONF to confirm that the correct receiver had been selected 3 If a connection cannot be established switch Off the SDU5000 unplug the 12V DC feed and leave the unit for 10 seconds Reconnect and try again 4 It is possible to get false indications below 0 ...

Страница 29: ...re of the display As a result measurements may be more accurate when measured away from the centre frequency The level of change may be in the order of 10 15 dB but will depend on AGC action the larger the signal then the greater the change To help with this the modified AR3000A 3000 is fitted with an SDU AGC mute switch For best accuracy switch the AGC off when taking measurements on the centre f...

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