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Explains the receiver's ability to accept high-speed transmissions from various Ademco communicators.
Describes the receiver's capability to accept low speed Ademco, Radionics, and SESCOA formats.
Details the receiver's capability to accept 4-2 transmissions at various pulse rates.
States the receiver can accommodate up to 8 phone lines and process calls simultaneously.
Explains the need for two successive identical transmissions for kissoff.
Notes the receiver's capability to store up to 113 messages for later display.
Describes the function of front panel controls like AUTO/MANUAL and VALID/ALL switches and their associated LEDs.
Details the configuration switches located inside the flip-down panel for various operating features.
Covers other switches inside the flip-down panel for receiver number, reset, and clock settings.
Identifies rear panel connectors for printers, modem, computer, and power supply.
Explains the function of display lights indicating burglary, fire, holdup, test, opening, closing, and low battery status.
Describes indicator lights for AC failure, low battery, telephone line fault, and printer/computer failures.
Details the receiver's function of monitoring phone lines every 10 minutes for faults.
Explains how to initiate a manual system test to check receiver operation and signal transmission.
Describes the PRN-OFF switch's function for printer/computer operation and handling printer failures.
Explains the 1S-2S switch for adjusting phone line settling delay before handshake.
Covers the 12H-24H switch for selecting civilian or military time display format.
Details the 1RG-2RG switch for setting the number of rings before answering a call.
Explains the OFF-COM switch for indicating computer connection and handling computer failures.
Covers switches for receiver number, system reset, send kissoff, channel advance, and clock/calendar settings.
Describes the connection of user-supplied standby battery to the receiver.
Details the terminals for connecting up to 8 phone lines, emphasizing polarity observation.
Explains display and printout formats for Ademco, Radionics, and SESCOA signals, including account numbers and alarm codes.
Details display and printout formats for high-speed transmissions, including channel status codes and examples.
Describes expanded reporting modes and checksum verification for low-speed signals, including examples.
Covers Radionics BFSK format handling and automatic report processing for various events.
Details RCVA, RCVB, and LINE group messages for peripheral failures, operator actions, and line status.
Outlines the procedure for positioning jumper plugs on the memory card for peripheral interface configuration.
Configuration of English language messages for printer and display lights via table lookup and PROM chip programming.
Selection of various operational parameters like language, alerts, and timing via PROM chip programming.
Step-by-step guide for programming the option PROM chip using the No. 690 Programmer tool.
Guide for assigning English language messages to channels/alarm codes using PROM Chart 1 for High Speed and Low Speed.
Steps for transferring message numbers from Chart 1 to Chart 2 for English language message programming.
Procedure to enable English language output for specific line cards using PROM Chart 3.
Enabling the "Zone English" output for specific line cards using PROM Chart 4.
Selecting desired remote alert delay times (up to 50 seconds) using PROM Chart 5.
Configuring operating options like Baud rate, AC operation, and test messages using PROM Chart 6.
Setting computer-related options, including ACK/NACK and test messages, via PROM Chart 7.
Enabling translation of Code 9 Restoral reports to High Speed Ademco format using PROM Chart 8.
Enabling 3-1 checksum reports for specific line cards using PROM Chart 9.
Procedure for setting the group number on line cards for call identification and rotary group numbering.
How to configure No. 685-2 cards for exclusive high-speed communication by cutting a jumper.
Option to accommodate communicators with long transmission delays by adjusting receiver waiting periods.
Modifying No. 685-1 line cards to avoid handshake issues with certain communicators.
Method to bypass line fault testing by connecting a shorting wire on the line card.
Instructions for physically inserting line cards into the receiver slots and connecting telephone plugs.
Initial steps for installation, including locating power sources, AC connection, and battery setup.
Detailed guide for connecting peripherals, power, battery, and phone lines, and setting initial receiver parameters.
Lists physical dimensions, weight, electrical voltage, and standby battery requirements for the receiver.
Details technical specifications for serial and parallel printer interfaces and computer communication.
Provides the pinout details for connecting a parallel printer to the receiver unit.
Specifies data frequency and pulse rates for various message formats like Ademco Low Speed and Radionics BFSK.
Details the ACK/NACK handshake protocol for computer communication, including retransmission logic.
Covers configurable options for computer interaction, such as test messages, alert silencing, and failure modes.
Explains how to interpret radio diagnostic data, including account number, signal strength, modulation, and frequency.
Guide for assigning English language messages to channels/alarm codes using PROM Chart 1 for High Speed and Low Speed.
Steps for transferring message numbers from Chart 1 to Chart 2 for English language message programming.
Procedure to enable English language output for specific line cards using PROM Chart 3.
Enabling the "Zone English" output for specific line cards using PROM Chart 4.
Selecting desired remote alert delay times (up to 50 seconds) using PROM Chart 5.
Configuring operating options like Baud rate, AC operation, and test messages using PROM Chart 6.
Setting computer-related options, including ACK/NACK and test messages, via PROM Chart 7.
Enabling translation of Code 9 Restoral reports to High Speed Ademco format using PROM Chart 8.
Enabling 3-1 checksum reports for specific line cards using PROM Chart 9.
Outlines the seller's warranty terms, limitations, and service procedures for the product.
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