Furuno FS-1570 - Chapter 5. Block Description; 5.1 Configuration; 5.3 T-CPU board (05 P0732); 5.4 TX;RX Board (05 P0733)

Contents
5
5.8 Antenna coupler, AT-1560.............................................................................................5-46
5.8.1 Antenna tuning................................................................................................5-52
5.9 IB-583............................................................................................................................5-57
5.9.1 TERM CPU board (16P0209A)......................................................................5-58
5.9.2 PWR Board (16P0211A) ................................................................................5-59
Chapter 6. Maintenance
6.1 Self-test..........................................................................................................................6-1
6.1.1 DSC test..........................................................................................................6-1
6.1.2 RT test.............................................................................................................6-5
6.2 Self test of Antenna coupler ..........................................................................................6-10
6.3 Self-test of Terminal Unit..............................................................................................6-11
6.4 Tone test.........................................................................................................................6-13
6.5 TEST function in DSC SETUP menu ...........................................................................6-15
6.5.1 Unlocking TEST menu...................................................................................6-15
6.6 Messages........................................................................................................................6-21
6.6.1 Message on control unit..................................................................................6-21
6.6.2 Message on NBDP terminal............................................................................6-24
6.7 Changing Back-up battery on IB-583: TERM CPU board............................................6-26
Chapter 7. Adjustment and Measurement
7.1 Output power.................................................................................................................7-1
7.1.1 Power Data......................................................................................................7-1
7.1.2 Output power measurement............................................................................7-3
7.1.3 Adjustment of output power for operating frequency ...................................7-4
7.1.4 Adjustment of output power for user channel.................................................7-6
7.2 Frequency ......................................................................................................................7-8
7.2.1 Measurement of TX operating frequency.......................................................7-8
7.2.2 Tone frequency................................................................................................7-10
7.3 PA Bias ..........................................................................................................................7-13
7.4 TX Gain.........................................................................................................................7-17
7.5 RX Gain.........................................................................................................................7-18