Sony UP-D711MD Manual page 22

Recommended separation distances between portable and mobile RF communications
The UP-D711MD is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the UP-D711MD can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile
RF communications equipment (transmitters) and the UP-D711MD 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 a maximum output power not listed above, the recommended separation
distance d in meters (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.
Caution
When you dispose of the unit or accessories,
you must obey the laws in the relative area or
country and the regulations in the relative
hospital regarding environmental pollution.
Connect the DC connector to the unit, then
supply the power source to the unit.
To remove the DC connector, disconnect the
power source first, then remove the DC
connector.
Do not touch the DC connector pin and a
patient at the same time.
A voltage of 12 to 24 V is applied to the DC
connector pin and may have a harmful effect
on the patient.
8
GB
equipment and the UP-D711MD
Separation distance according to frequency of transmitter
150 kHz to 80 MHz
d = 1.2
0.12
0.38
1.2
3.8
12
m
80 MHz to 800 MHz
d = 1.2
0.12
0.38
1.2
3.8
12
Caution
A paper cutter is mounted with
the unit. When cleaning the
thermal head, be careful not to
touch the paper cutter.
Touching the paper cutter may
cause injury.
Caution
Do not insert your finger into
the back of the paper tray.
Your finger may become stuck
in an internal gap, which may
lead to injury.
800 MHz to 2.5 GHz
d = 2.3
0.23
0.73
2.3
7.3
23