12
4.9 Power Supply
Table 4.11 Power Supply
Item Specification Remark
Lithium-ion battery pack
Operating time: Approx. 15 hours
(adequate for 10 minutes of continuous display, or
1 minute of continuous input)
Approx. 10 hours
(adequate for 90 Pocket Word strokes/minute)
Main battery
Alkaline dry cell: LR6 x 2
Operating hours: Approx. 25 hours
(adequate for 10 minutes of continuous display, or
1 minute of continuous input)
Approx. 10 hours
(adequate for 90 Pocket Word strokes/minute)
Sub-battery Button-type lithium battery (CR2032 x 1)
Vanadium secondary battery (IVR2430 x 1)
Backup time: Approx. 5 years
(only if the fresh main battery is being installed
always.)
With low voltage Alkaline dry cell: 28 days
(counting when “Low battery” indication appears)
With fresh Alkaline dry cell: 56 days
Memory backup
period
With low voltage lithium-ion battery pack:
22 days
(counting when “Low battery” indication appears)
With fully charged lithium-ion battery pack:
36 days
Days of backup period
are only estimate. They
may vary depending on
environment.
Contact-type
recharging terminal Supplies power and recharges battery if terminal is
placed on I/O Box. Recharges battery via I/O
Box.
4.10 Speaker
Table 4.12 Speaker
Item Specification Remark
Speaker Dynamic speaker, 20 mm diameter.
Sampling rate: 10-bit D/A
8/11.025/22.05 KHz
For audio output