31
5.20
Power supply
5.20.2
Maximum and minimum power
supply voltage
9.3 j
Maximum: 3.6 V
Minimum: 1.8 V
5.20.3
Battery types & battery life
9.2.3 a)
Batteries
5.20.4
Operation from an external
power supply
9.2.3 c)
N/A
5.20.5
Public power supply voltage
9.2.3 d)
N/A
6
Environmental, electrostatic and radio frequency
criteria
6.1.2
Time interval for needed to
stabilize after environmental
changes
9.3 l)
T e m p e r a t u r e
change: < 1 hour
Humidity change:
< 1 hour
S t a t i c p r e s s u r e
change: < 5 minutes
6.2.2
(Note)
Measurement when static pres-
sure is < 85 kPa
Ca l ibrat ion a nd
measurement per-
formed in this en-
vironment using
Sound Calibrator
NC-74 or NC-72A
6.5.2
Degradation of functions by
electrostatic discharge
9.2.7 b)
Measurement value
affected temporar-
ily by electrostatic
discharge
6.6.1
Operating mode with least im-
munity to AC power frequency
fields and RF fields
9.3 o)
Fig. 5
Operation mode:
normal operation
Connection pattern:
Option cable
6.6.4
(Note)
Field strength for conforming
(in case > 10 V/m)
9.3 m)
N/A
7
Provisions for use with auxiliary devices
7.1
Correction for use of microphone
cable
9.2.6 b)
N/A
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