RF Technology Pty R350 Operation And Maintenance Manual

20, RF Technology Pty R350 Page 20 RF Technology R350/R500 7 SPECIFICATIONS 7.4.18 Audio Distortion Monitor Loudspeaker: 3 Watts with external speaker, 0.3 Watt with internal speaker Discriminator and Sub-Audio: Nominally equal to 1 volt peak at rated system deviation 7.4.18 Audio Distortion …

7, RF Technology R350/R500 Page 7 2.3 JP3: Audio Filter In/Out 2 RECEIVER INTERNAL JUMPER OPTIONS 2.3 JP3: Audio Filter In/Out JP3 bypasses the 300Hz high-pass filter and 240Hz notch filter if necessary. Condition Position Hi-pass, Notch In 2-3 * Flat response 1…

6, Page 6 RF Technology R350/R500 2 RECEIVER INTERNAL JUMPER OPTIONS issue 4 and lower use the LED flash rate to indicate the alarm condition. Refer to table 2. LED Flash Cadence Fault Condition 5 flashes, pause Synthesizer unlocked 4 flashes, pause Tuning voltage outside…

11, RF Technology R350/R500 Page 11 5.3 VCO Section 5 CIRCUIT DESCRIPTION CF1 and its termination resistors R15 and R24 are the only component differences in the two versions. The limiter/discriminator IC U3 further amplifies the signal and passes it through CF2. CF2…

4, Page 4 RF Technology R350/R500 1 OPERATING INSTRUCTIONS WARNING Changes or modifications not expressly approved by RF Technology could void your authority to operate this equipment. Specifications may vary from those given in this document in accordance with requiremen…