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177
Chapter 10
177
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visit us online at califone.com
10 - 2 Hardware Specifications
ITEM SPECIFICATIONS
NOTE
Infrared
Receiver
Media:
infrared
Interface:
USB
Vertical angle:
20 degrees
Horizontal angle:
60 degrees
ID recognition:
up to 255 units
Receiving distance:
15 meters (1614yds)
(49122ft)
Power:
uses USB power
Wire length:
6 meters (6156yds) (19169ft)
Connect to a
computer or laptop
for transmitting
signals from
handsets1
Teacher
Remote
Size:
Width 515 cm (2117in), Length 915 cm
(3174inch)
Input:
15 buttons
Button:
conductive rubber
ID number:
255
Effective angle:
30 degrees
Effective distance:
15 meters (1614yds)
(49122ft)
Power:
3V Lithium battery, CR2032
Lanyard hole: 1
Battery Life:
3 years standby, or up to
300,000 button presses
For the teacher to run
the activities, control
the learning progress
and present the
teaching materials1
Student
Remote
Size:
Width 515 cm (2117inch), Length 915
cm (3174inch)
Input:
15 buttons
Button:
conductive rubber
Effective angle:
30 degrees
Effective distance:
15 meters (1614yds)
(49122ft)
Power:
3V Lithium battery, CR2032
Lanyard hole: 1
Battery Life:
3 years standby, or up to
300,000 button presses
Unique identification
number for each
student1 Aim at
receiver and press
button to transmit
signal1