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INSTRUCTION MANUAL
AM Series
Agile Modulator with
Emergency Alert System
Model
AM-60-550
AM-60-806
Status
Active
Obsolete
©2009 Blonder Tongue Laboratories, Inc. All rights reserved. Specifications are subject to change without notice. Trademarks are the property of their respective owner.
Stock No.
59416
59419
Date
September 22, 2014
December 11, 2009
(800) 523-6049 • (732) 679-4000 • FAX: (732) 679-4353
Document No.
651217400F
651217400E
U L
C
US
®
LISTED
45A6
One Jake Brown Road
Old Bridge, NJ 08857-1000 USA
www.blondertongue.com
Issue No.
Author
6
KK
5
KK
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Table of Contents
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Summary of Contents for Blonder tongue AM-60-550
- Page 1 Document No. Issue No. Author Active September 22, 2014 651217400F Obsolete December 11, 2009 651217400E ® LISTED 45A6 ©2009 Blonder Tongue Laboratories, Inc. All rights reserved. Specifications are subject to change without notice. Trademarks are the property of their respective owner.
- Page 2 The information contained herein is subject to change without notice. Revisions may be issued to advise of such changes and/or additions. Correspondence regarding this publication should be addressed directly to: Blonder Tongue Laboratories, Inc. One Jake Brown Road Old Bridge, NJ 08857...
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Page 3: Safety Instructions
AM Series Instruction Manual Section 1 — General & Safety Instructions The STOP sign symbol is intended to alert you to the presence of REQUIRED operating and maintenance (servicing) instructions that if not followed, may result in product failure or destruction. - Page 4 Unplug the unit from the AC power outlet before cleaning. Use only a damp cloth for cleaning the exterior of the unit. å Do not use accessories or attachments not recommended by Blonder Tongue, as they may cause hazards, and will void the warranty. å...
- Page 5 FCC group delay equalization. A state of the art converter design with pre-programmed microprocessor controlled channel tuning ensures that the Blonder Tongue AM Series are the ideal agile modulator for any demanding CATV headend need.
- Page 6 (NTSC CATV Ch. 2 -78 & 95-99) (Video AGC) (87.5% ±2.5% depth of modul a ti o n) Video-to-RMS Hum Ratio: 65 dB Peak-to-Peak AM-60-550 with Option 4 7 to 550 MHz (Sub-band) (NTSC CATV Ch. T7 -78 & 95-99) Signal-to-Noise Ratio: 58 dB (Weighted;...
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Page 7: Controls And Connections
AM Series Instruction Manual Controls and Connections Operating Controls All operating controls and indicators for the modulator are located on, or are accessible from the front panel. [11] [10] [2] [3] [4] [5] [6] Figure 1 - Front Panel [1] EAS/ALT INDICATOR: Lights Red when EAS/ALT is active. [2] VIDEO OVERMODULATION LED: Lights when modulation is above 87.5%. -
Page 8: Operation
AM Series Instruction Manual Operation Option 4: (AM 60 550 Opt 4) Subchannel display in standard configuration mode (only) Display Mode This button scrolls through the selection of Channel, Channel Configuration, Output Level mode in this order. The resting state (default) of the AM's display mode is the channel number. Channel Selection The output channel is selected by pressing the UP or DN button when in the channel display mode. - Page 9 AM Series Instruction Manual Adjustments VIDEO LEVEL: With the intended signal source connected and a representative video program present turn the Video Level Adjust control clockwise until the Video Overmodulation light just flashes, then back off slightly. Alternatively, while watching the picture on a good TV monitor, adjust the control to the highest (clockwise) level that does NOT cause the highlights (white portions of the picture) to become “washed out”.
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Page 10: Stereo Audio
AM Series Instruction Manual Option 5 Stereo Audio Description The stereo audio option integrates a BTSC stereo encoder module to the AM Series. The optional stereo encoder converts stereo left and right audio into a composite BTSC stereo audio signal. This Option provides 20 dB of stereo separation, less than 1.0% total harmonic distortion and 60 dB signal to noise ratio. - Page 11 AM Series Instruction Manual Appendix A Frequency Allocation Tables VHF Broadcast Channels Standard Incremental Harmonic Standard Incremental Harmonic Channel Video (MHz) Chan. Video Video (IRC) Video (HRC) Chan. Video Video (IRC) Video (HRC) 55.25 457.2500 457.2625 55.2500 55.2625 61.25 61.2500 61.2625 463.2500 463.2625...
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Page 15: Extended Warranty Program
10. The cost of the extended warranty is 8% of the purchase price for a 1 or 2 year extension beyond the Blonder Tongue standard warranty. e.g. A product price of $1000 will be $80 for the 1 year (12 mos) and additional $80 for 2 year (24 mos) extension for a total of $160. -
Page 16: Limited Warranty
BT may determine) any product manufactured by BT which proves to be defective in materials or workmanship or fails to Blonder Tongue Laboratories, Inc. (BT) will at its sole option, either repair or replace (with a new or factory reconditioned product, as BT may the case of software, licensed) by Seller which is defective in materials or workmanship or fails to meet the applicable specifications that are in effect on the date of meet the specifications which are in effect on the date of shipment or such other specifications as may have been expressly...
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