Table 1: STAR Transmitter Parameters................................................................................ 11
Figure 1: Transmitter Parameter Programming Screen – Field Level.................................. 14
Revision History
Rev Date Author Description
0 7/11/08 Gregory Lapin Initial Release
1 3/2/09 Gregory Lapin Changes based on FM testing
2 6/12/09 Gregory Lapin Changes required following FCC testing
3 6/29/09 Gregory Lapin Description of hardware error checking and Low/High band.
Page 1 of 14 KFCi #75952, Revision 3
King-Fisher Company, inc. STAR User Manual
FCC Device Statements
FCC ID: AGJ-KFSTARLB0001
WARNING: Changes or modifications not expressly approved by King-Fisher Company, inc
could void the user's authority to operate this equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
¾ Reorient or relocate the receiving antenna.
¾ Increase the separation between the equipment and receiver.
¾ Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
¾ Consult the dealer or an experienced radio/TV technician for help.
Introduction
The STAR Radio Fire Alarm (KFCi #99952) is a self-contained Auxiliary Signaling Device that
responds to contact closures from standard fire panels, emergency switch devices, supervisory
switch devices and auxiliary switch devices to generate an alarm message in a standard KingFisher KFRA-C receiving processing unit format and transmits that message by radio. The
STAR is contained in a NEMA-1 cabinet and derives power from a 120VAC circuit. It
maintains a backup battery, periodically checking its status and supplying charging voltage to
keep the battery fully charged. The STAR can operate from its battery in standby mode for 96
hours following a power failure. The STAR will generate a trouble message if it detects loss of
AC power, disconnection of the battery, a battery that does not hold a charge, or a break in any
of the input connections. To prevent spurious trouble messages, a confirmation wait time of 60
sec is applied. If the fault exists for at least 60 sec only then is a trouble message transmitted.
This prevents excessive trouble message signals during normal maintenance, such as changing a
battery or short duration power failures.
There are two basic units that make up the STAR subsystem. An Interface circuit controls the
power subsystem and monitors up to six Class B monitored inputs. It applies debounce logic to
signals on these inputs to prevent responding to external noise, such as that due to lightning
strikes in the area. When an alarm is warranted, the interface triggers the radio transmitter
control circuitry to initiate the transmission of the alarm message.
The radio circuitry monitors input signals and builds an alarm message that it transmits on a
preselected VHF radio frequency channel. Several alarm message formats that conform to an
Page 2 of 14 KFCi #75952, Revision 3
King-Fisher Company, inc. STAR User Manual
existing King-Fisher messaging standard can be selected. Message format specifics are selected
by the alarm technician using a laptop computer.
AC Voltage Range 80-135 VAC
AC Frequency 50-60 Hz
AC Current Draw < 0.5 A
AC Fuse 1A
Backup Battery Type Sealed Lead Acid
Backup Battery Voltage 13.0 V nominal
Backup Battery Standby Duration
Backup Battery Recharge Duration < 24 Hr
Battery Fuse 2ASB
Low Battery Indication Threshold 12.6 V ± 0.1 V
Battery Cutoff Threshold 11.3 V ± 0.1 V
> 72 Hr (2.5 A-Hr, such as KFCi BP-1225)
> 96 Hr (5.0 A-Hr, such as KFCi BP-1205)
Indicators
AC Power Present Green LED on Interface Module
Power Trouble Flashing Yellow LED on Interface Module
Alarm Input Red LED, adjacent to each input on Interface Module
Input Trouble Yellow LED, adjacent to each input on Interface Module
Transmission in Progress Green LED, on solid, on Transmitter Module
Transmission Waiting Green LED, blinking, on Transmitter Module
Transmission in Progress Beeper on Transmitter Module
Adjustments
Battery Charging Voltage Potentiometer on Interface Module
Frequency Trim Potentiometer on Transmitter Module
Transmit Test Black Button on Interface Module
Program Transmitter Black Button on Transmitter Module
Interface Module Reset White Button on Interface Module
Transmitter Module Reset White Button on Transmitter Module
Page 3 of 14 KFCi #75952, Revision 3
King-Fisher Company, inc. STAR User Manual
Radio
Frequency Range: FCC
NTIA
Frequency Resolution 1 Hz
Frequency Stability ± 5 ppm
Spurious Emissions < -50 dBc
Power Output 0.5 – 0.8 watts peak
Modulation AM
Tone Frequency Range 50 Hz through 600 Hz
Tone Frequency Resolution 0.1 Hz
Tone Frequency Stability ± 5 ppm
Power Source 12 – 15 VDC
Power Source Fuse 1A
Current Draw – Standby < 100 µA
Current Draw – Transmission < 1A
72 - 76 MHz
138-174 MHz
Environmental
Temperature Range – Operational -40°C through 60°C
Temperature Range – Storage -40°C through 125°C
Humidity < 95% non-condensing
STAR Basic Connections
The STAR cabinet is usually mounted on a wall with external wiring brought in through conduit
connected through the sides or bottom of the cabinet. It is recommended that conduit not be
connected through the top wall of the cabinet. There are several basic connections:
AC Power
120V AC power, single phase, with a separate ground wire, is connected to the cabinet at a
terminal block in the upper left corner of the subplate. Hot, neutral and ground wires should be
inserted to the appropriately marked terminals and screwed down tightly. Wires can be any size
up to 10 AWG and can be either solid or stranded copper.
Antenna
There are two ways to connect an antenna to the STAR. All antennas and feedlines must be
50Ω. The STAR is shipped with a coaxial jumper wire connecting the transmitter output to a
BNC connector mounted in the upper right surface of the cabinet. A BNC (or BNX) antenna or
feedline can be attached to this connector. Alternately, a 50Ω coax feedline can be brought in
through a conduit attached to the sides or bottom of the cabinet and connected directly to the
BNC connector in the upper right corner of the STAR Transmitter board.
Page 4 of 14 KFCi #75952, Revision 3
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