AutoHoot Mk3

AutoHoot is an electronic control unit which can be connected to a suitable horn or sounder to produce a sequence of sound signals with reliable timing removing unnecessary human error. Primary designed for the use in running sailing races it’s basic operation is simple and intuitive. During the starting sequence AutoHoot’s display shows the countdown time to the start. It comes with a number of pre-programed sequences, and it is possible for the user to write and add their own custom sequences. Other race signals like recalls, shorten course and finish hoots can be made without interrupting the active Auto sequence if required.

AutoHoot Benefits

• Simplified error-free starting sequences
• Guaranteed accurate timings
• Reduces workload and stress
• Clear indication of the time to the start
• Auto-repeat capability for successive starts
• Easy to use, compact & affordable

Specifications

AutoHoot Mk3	Specification
Physical
Dimensions (including switches and cable gland)	168mm x 80mm x 76mm
Enclosure dimensions (excluding switches and cable gland)	140mm x 80mm x 68mm
Mounting holes	4 off 4.4mm dia., 120mm x 60mm
Enclosure material	Polycarbonate, Light Gray RAL 7035
Enclosure flammability rating	UL 746C 5V
Weight	335g
Cable entry	Compression cable gland. With two-part compression ring. Cable diameter 5 to 13 mm
Sequences
Pre-programmed sequences	Selectable by switch sequence on power up
Custom sequences	User programmable via standard C type USB Cable
Switches
Auto Switch	Stainless steel 2 position rotary switch with green illuminated arrow. IP67 rated
Hoot Button	Stainless steel push-button switch with red illuminated ring. IP67 rated
Relay (Horn Connection)
Rated current	20A
Endurance	>300,000 operations with resistive load at 20A
Connection	Rising clamp style terminals (2.5mm2 cable)
Display
Type	High-contrast supertwist LCD
Viewing angle	6 o’clock
Viewing area	19mm x 38mm
Time
Time accuracy	±2 ppm at 25 °C (ageing first year ±3 ppm max at 25 °C)
Power
Supply voltage	6.5 to 15 Vdc
Current at 12 Vdc	30 mA typical (with LEDs on, excluding horn current)
Supply Input protection	Polarity reversal protected. Internal replaceable fuse – 20A microblade automobile fuse
Connection	Rising clamp style terminals (2.5mm2 cable)
Back up battery for time	CR2032
Back up battery life	>5 years
Environmental
Temperature range	Operating range: -20°C to +70°C   Storage range: -20°C to +70°C
Relative Humidity	0% to 100% (non-condensing)
Ingress Protection	IP66
Compliance	UKCA, CE, FCC, ICES-003
Guarantee	2 years (return to manufacturer)