Crown FM30-100-200-250-500 Remote
Contents
1. 2 11 Program Input Fault Time out You can enable an automatic turn off of the carrier in the event of program failure To enable this option see illustration 2 17 on page 2 15 The time between program failure and carrier turn off is set by a jumper J P1 on the voltage regulator board see page 6 17 for board location J umper pins 1 and 2 the two pins closest to the edge of the board for a delay of approximately 30 seconds pins 3 and 4 for a 2 minute delay pins 5 and 6 for a 4 minute delay and pins 7 and 8 for an 8 minute delay 2 12 Remote I O Connector Remote control and remote metering of the transmitter is made possible through a 15 pin D sub connector on the rear panel No connections are required for normal operation Remote I O SCAIN COMPOSITE IN MONITOR O O gt GRD D CIRCUIT BREAKER Ke Illustration 2 16 Remote I O Connector Illustration 2 17 on page 2 15 summarizes the Remote 1 0 pin connections 2 14 FM30 FM 100 FM250 User s Manual Pin Number 1 2 10 11 12 13 14 15 Installation Function Ground no connection Composite Out sample of stereo generator output FSK In Normally high pull low to shift carrier frequency approximately 7 5 kHz Connect to open collector or relay contacts of user supplied FSK keyer Auto Carrier Off Pull low to enable automatic turnoff of carrier with program failure Meter B2. attery unregulated DC voltage 5 volts 50 VDC Meter RF Watts 1 volt 100 watts Meter PA Volts 5 volts 50 VDC E xt Enable Pull low to disable internal stereo generator and enable External Composite Input a 38 kHz Out From stereo generator for power supply synchronization b For transmitters equipped with tuner option this pin becomes the right audio output for an 8 ohm monitor speaker 38kHZ Out is disabled ALC Carrier Off pull low to turn carrier off Fault Summary line goes high if any fault light is activated Meter PA Temperature 5 volts 100 degrees C Meter PA Current 1 volt 10 amperes DC 60000000 9000000 Illustration 2 17 Remote I O Connector DB 15 Female
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