Canon CR-2 Посібник з експлуатації - Сторінка 46
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Appendix
Recommended Separation Distances between Portable and Mobile RF
Communications Equipment and Devices or the CR-2
The CR-2 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled.
The customer or the user of the CR-2 can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmitters) and the CR-2 as recommended below,
according to the maximum output power of the communications equipment.
Rated maximum output
power of transmitter
W
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres (m)
can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power
rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
NOTE 1: To maintain the optimum EMC performance, do not use cables other than supplied, nor extend the cable lengths
more than specified.
Name
AC Power Cord
USB Cable
NOTE 2: Do not install the CR-2 adjacent to or stacked with other electric/electronic equipment.
NOTE 3: Electromagnetic
• No unintentional raise/lower movements of Chin Rest shall occur.
• No unintentional flashing shall occur.
• No degradation of Photographic quality, which could lead erratic diagnose.
• No change in operation status, or stored data.
46
Separation distance according to frequency of transmitter
Conducted RF
150 kHz to 80 MHz
d = 1.2 √P
0.12
0.38
1.2
3.8
12
Type
Non-Shielded
Type AB connector plug supporting USB 2.0
Hi-Speed
m
Radiated RF
80 MHz to 800 MHz
d = 1.2 √P
0.12
0.38
1.2
3.8
12
Length
3.0 m fixed-length
Max. 3.0 m
800 MHz to 2.5 GHz
d = 2.3 √P
0.23
0.73
2.3
7.3
23
Remarks
Supplied
Not supplied