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5

Rev. 11/05

Ph: 800-421-6511

www.picomacom.com

1. Video Modulation Level:

Green LED indicates correct video 

modulation level.

2. Audio Modulation Level:

Green LED indicates correct audio

deviation level.

3.  A/V Ratio Adjustment: 

Used to set level of audio carrier.

4.  Video Modulation Adjustment:

Used to set video depth of 

modulation.

5.  Left / Right Stereo Level Adjust:

Used to set left or right 

channel audio level. (Active only with stereo option)

6. Mono Adjustment:

Used to set mono level.

7. Channel Display:

Indicates which channel is active.

8. Offset Indicator LEDs:

Indicate if standard or offset formats 

are active.

9. Offset Selector:

Used to select standard or offset formats.

10. Channel Select:

Up/Down button select channel of interest.

11. 4.5MHz Level:

Used to adjust 4.5 MHz level.

12. RF Level Adjust:

Used to set RF level.

13. -30 dB Test Point:

Used to monitor RF output level. 

14. RF Output Port:

Connect this port to distribution system.

15. Composite I.F. Input:

Input from I.F. scrambler or I.F. output.

16. Composite I.F. Output: 

To I.F. input or to scrambling device.

17. Video I.F. Input (45.75 MHz):

Video carrier I.F. input from video

scrambling device or video carrier I.F. output.

18. Video I.F. Output (45.75 MHz):

Video carrier I.F. output to 

scrambling device or video carrier I.F. input.

19. Audio I.F. Input (41.25 MHz):

Sound carrier I.F. input from audio

scrambling device or sound carrier I.F. output.

20. Audio I.F. Output (41.25 MHz): 

Sound carrier I.F. to audio

scrambling device or sound carrier I.F. input.

21. 4.5 MHz Input:

Input for BTSC stereo encoder operation.

22. MPX Out: 

Used to provide MPX output to additional modulators

when internal stereo encoder is present, thus eliminating need
for additional encoders.

23. MPX In/Out:

Loop the MPX Input and Output when internal

stereo encoder is used.

24. Video Loop In: 

Connect baseband video to this port.

25. Video Loop Out: 

This port provides the video sync to external

PM-SE stereo encoder.

26. Mono/Stereo Switch:

Selects either mono or stereo modes.

Stereo mode is only present on stereo encoder equipped models. 

27. Audio Input (Left, Right and Mono):

Accepts any baseband

audio output source such as a satellite receiver, VCR, security
camera or cable converter.

28. RS485:

Not active at the present time.

29. Power Cord Receptacle: 

Connect power cord to this receptacle.

The switching power supply accepts any input voltage from 
90 to 260 VAC.

A860

Connections and Controls

A860 Manual.qxd  11/21/05  10:34 AM  Page 5

Summary of Contents for A860

Page 1: ...Installation and Operation Manual A860 Agile Modulator Operation Manual Rev 11 05 Ph 800 421 6511 www picomacom com A860 Manual qxd 11 21 05 10 34 AM Page 1 ...

Page 2: ...patibility with scrambling encoders ghost cancellers and IF override appli cations The unit conforms to FCC Docket 21006 for frequency accuracy The MACOM line is backed by an industry leading 5 year limited warranty Re broadcast quality performance specifications match those of fixed channel modulators Integrated BTSC Stereo optional 60 dBmV minimum output for optimum carrier to noise performance ...

Page 3: ...ential Phase 1 typ Chrom Lumin Delay 8 ns Hum and Noise 60 dB AUDIO INPUT Level Mono 0 5 V p p 1 V p p Level Left Audio 0 5 V p p 1 V p p Level Right Audio 0 5 V p p 1 V p p Frequency Response 1 5 dB max Impedance 600 ohms Preemphasis 75 µs switchable MPX BTSC STEREO Level 2 2 V p p Impedance 500 ohms Frequency Response 1 dB 50 Hz 14 kHz Total Harmonic Distortion 0 3 S N 75 dB Separation 35 dB 50 ...

Page 4: ...sons and serious damage to the appliance 8 Damage Requiring Service Disconnect this product from the system and refer servicing to qualified service personnel under the following conditions a If liquid has been spilled or objects have fallen into the product b If the product has been exposed to rain or water c If the product does not operate normally by following the operating instruction Adjust o...

Page 5: ...ideo scrambling device or video carrier I F output 18 Video I F Output 45 75 MHz Video carrier I F output to scrambling device or video carrier I F input 19 Audio I F Input 41 25 MHz Sound carrier I F input from audio scrambling device or sound carrier I F output 20 Audio I F Output 41 25 MHz Sound carrier I F to audio scrambling device or sound carrier I F input 21 4 5 MHz Input Input for BTSC st...

Page 6: ...evel If necessary adjust the video modulation until proper contrast is observed 6 Connect an audio source to the AUDIO IN on rear of the unit Set audio modulation peak deviation to 25 kHz with the audio modulation adjustment A known off air signal and a TV may be used to set adjustment for equal audio level 7 Connect the RF OUTPUT to a combining network FREQUENCY OFFSETS The Federal Communications...

Page 7: ...nnels are combined on the other row of directional couplers The combiner loss is 28 30 dB per channel Used with an L860 distribution launch amplifier the system s RF output provides high quality distortion free programming The CHC 16U 860 provides both signal combining and post amplification of the headend signals Up to 16 channels may be com bined using the CHC 16U 860 The combiner gain is 15 dB ...

Page 8: ...ll be used to track your product Be prepared to provide 1 The model number and channel number of the product 2 The date of purchase 3 A specific identification of the problem Deliver the products to Pico Macom Inc or ship the products in the original packing material to the address below Include satisfactory evidence of the date of purchase Products will not be accepted by Pico Macom Inc without t...

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