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F860

4

Rev. 11/05

Ph: 800-421-6511

www.picomacom.com

The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated “dangerous voltage” within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.

Product Inspection

Inspect the equipment for shipping damage. Should any damage be discovered, immediately file a claim with the carrier.

Important Safety Instructions

To ensure proper installation and operation, take a moment to read this guide before proceeding with the installation. If you have any questions
or comments about the 

F860

Fixed Modulator, please contact your dealer or have him contact the PICO MACOM Service Center at the phone

number on the bottom of the page.

1. Read Instructions:

All safety and operating instructions should

be read before the appliance is operated.

2. Retain Instructions:

The safety and operating instructions

should be retained for future reference.

3. Heed Warnings:

All warnings on the appliance should be

adhered to.

4. Follow Instructions: 

All operating and user instructions should

be followed.

5. Cleaning: 

Unplug this appliance from wall outlet. Use a damp cloth

for cleaning. Do not use liquid cleaners or aerosol cleansers.

6. Do Not Use Attachments

not recommended by the manufacturer;

they may cause hazards.

7. Accessories:

Do not place this product on an unstable cart,

stand, tripod, bracket, or table. The product may fall, causing
serious injury to persons 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 only those controls that are
covered by the operating instructions. An improper adjustment
may result in damage and will often require extensive work
by a qualified technician to restore the product to its normal
operation.

d.

If the product has been dropped or the cabinet has been damaged.

e.

When the product exhibits a distinct change in performance —
this indicates a need for service.

9. Replacement Parts:

When replacement parts are required, be

sure the service technician has used replacement parts specified
by the manufacturer or have the same characteristics as the
original parts. 

10. Safety Check:

Upon completion of any service or repairs to this

product, ask the service technician to perform safety checks to
determine that the product is in proper operating conditions.

WARNING:  TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.  DO
NOT OPEN THE CABINET.  REFER SERVICING TO QUALIFIED PERSONNEL ONLY.  TO PREVENT ELECTRIC SHOCK DO NOT USE
THE (POLARIZED) PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY
INSERTED TO PREVENT BLADE EXPOSURE.

Safeguards

NOTE TO THE CATV SYSTEM INSTALLER

THIS REMINDER IS PROVIDED TO CALL THE CATV SYSTEM INSTALLER’S
ATTENTION TO ARTICLE 820-22 OF THE NEC THAT PROVIDES GUIDELINES
FOR PROPER GROUNDING AND, IN PARTICULAR, SPECIFIES THAT THE
CABLE GROUND SHALL BE CONNECTED TO THE GROUNDING SYSTEM OF
THE BUILDING, AS CLOSE TO THE POINT OF CABLE ENTRY AS PRACTICAL.

F860 Manual.qxd  11/21/05  10:17 AM  Page 4

Содержание F860

Страница 1: ...Installation and Operation Manual F860 Fixed Modulator Operation Manual Rev 11 05 Ph 800 421 6511 www picomacom com F860 Manual qxd 11 21 05 10 16 AM Page 1 ...

Страница 2: ... pass filtering at the output amplifier The modulator is shipped with all internal adjustments preset FCC Docket 21006 offsets are standard The MACOM line is backed by an industry lead ing 5 year limited warranty Re broadcast quality performance Integrated BTSC Stereo optional 60 dBmV minimum adjustable output for optimum carrier to noise performance Preemphasis defeat switch provides easy stereo ...

Страница 3: ...n 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 Hz 12 kHz GENERAL Power Input...

Страница 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...

Страница 5: ...video carrier I F output 17 Video I F Output 45 75 MHz Video carrier I F output to scrambling device or video carrier I F input 18 Audio I F Input 41 25 MHz Sound carrier I F input from audio scrambling device or sound carrier I F output 19 Audio I F Output 41 25 MHz Sound carrier I F to audio scrambling device or sound carrier I F input 20 4 5 MHz Input Input for BTSC stereo encoder operation 21 ...

Страница 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...

Страница 7: ...ined on one row while even channels 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 8...

Страница 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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