
SC9000
ST150 SAFECOM Central Station Operations Manual
© 2002 Radionics Page 35 4998122249B
5.3. The F4=Channel Functions Overview
The F4=Channel Functions allows the system administrator to set up the radio modems. Your system may have 1, 4 or 8
modems.
All of the following parameters are assigned at system start-up and should not be modified except as recommended
by SafeCom. System communications throughput is dependent upon the proper settings. Priority, as used below, is a
request by the Remote to communicate with the ST150.
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Morse ID: This is the station call letters which will be transmitted in Morse code. If required by country regulators,
enter the station call letters here. If not required, it is best to leave this field blank.
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Morse ID Interval: The time interval between Morse transmissions of the station call letters. If there is no Morse ID it
is best to leave this field blank.
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Base Channel: Used only if there is more than one hardware channel in the system. The base channel setting
allows the hardware channels to function as independent channels or connected together, by software, as if they
were one channel.
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Hi Priority Max: This assigns the maximum number of remotes which can be assigned a position in the reply queue
during a short period of time. This number should not exceed 10 since panels waiting too long may fail to
communicate.
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Usage Window: This is the maximum time which the computer running the ST150 software is allowed to transmit to
the remotes before having to cease transmissions and go into the receive mode. The normal setting is 5. If the ST150
needs more time it must stop and wait for the Load Factor time to expire.
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Channel Busy: This is the delay required before the ST150 will report a “Channel Busy” due to continuous reception
by the RF2000 without a break.
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Channel Clear: This is the delay time required after a “Channel Busy” is reported before a “Channel Clear” is
reported.
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Load Factor: A value between 0 and 9 which represents the minimum amount of time the ST150 must remain in the
receive mode before returning to the usage window parameter. The normal setting is 3 which represents a random
amount of time between 2.5 and 6 seconds. Do not use a setting other than 3 unless recommended by SafeCom.
5.4. Entering and Editing Operator Names and Passwords (F1=User Codes)
To ensure that access to the system data and the control of Radio Communicators is limited to Authorized Personnel
Only, the SC9000 computer requires an operator entry of an authorized name and/or password combination (User
Codes). Access to and the display of mode options, displayed in the Command Window of the System Status Menu, is
dependent on the Authority Level assigned to that name and password. There are a total of five (5) Authority Levels for
operator access to the SC9000 Receiver: 0, 1, 2, 3, and 4. Only an operator with Authority Level #4 can access the
F3=System Functions to enter or modify the Names of operators that are authorized to access the SC9000 System and
Radio Communicator data. The Authority Level #4 operator may also assign Authority Levels and Passwords to each
Name and User Group to validate Name entries.
There are 6 pages of User Codes; 6 per page for a total of 36 possible User Codes.
To Enter the User Codes
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Press the F3=System option from the System Status Menu Command Window. The System Configuration Menu will
be displayed. Press the F1=User codes option from the System Configuration Menu Command Window. The Users
Codes Menu will be displayed. Enter the Name, Authority Level, and Password.
NOTE: Ensure that at least one (1) Operator or User Group entry is assigned an Authority Level #4 for access to the
F3=System options.
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When the User Code entries are completed press the ESC=Exit option from the command window. The operator
prompt “Save changes before exit? (depress ESC to continue editing)” will be displayed. Press the “ Y “ key to save
your new changes.
This completes the establishing of Name, Authority Levels, and Passwords for system access procedures.
5.5. Alarm Panel Signal Definitions (Digital Translation (Digital XLAT))
The Digital Translation Table (XLAT) provides the reference for the translation of the alarm panel Event Codes from the
alarm panel Dialer to a plain English text message. The Digital XLAT entry on the Radio Communicator account Setup
Menu #2 for each SC8016 determines which of the 8 Digital XLAT tables (Alarm signal definition tables) are referenced
when an alarm panel Dialer message is received by the SC9000 computer.
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