Appendix
Section 8
February 2010 Digital Talking-Book Player 59
Library Guide
19
Total idle time while the player is powered by AC.
Three conditions must be met to be idle: no button
pressed, no audio played, and power is coming from
AC power source.
20
Total idle time while the player is powered by
battery for the current battery pack.
Three conditions must be met to be idle: no button
pressed, no audio played, and power is coming from
batteries.
21
Idle Time
Total idle time while the player is powered by
battery since the birth of the player.
22 Percentage play time on batteries Total battery play time /Total play time
23 1 min < # of battery usages < 30 min
24 30 min < # of battery usages < 1 hr
25 1hr < # of battery usages < 3 hrs
26 3hrs < # of battery usages < 10 hrs
27
Battery usage data
10 hrs < # of battery usage
28 Number of cartridges inserted Total number of times a USB drive was plugged in
29
Total communication errors from the “gas gauge”
device since the birth of the player
30
Number of Battery Errors
Total communication errors from the “gas gauge”
device for the current battery pack.
31 Number of Power On Number of times the player was turned on
32 full < # of battery charges < 75% full
33 75% full < # of battery charges < 50% full
34 50% full < # of battery charges < 25% full
35
Charge data (with current battery)
25% full < # of battery charges < empty
36 full < # of battery charges < 75% full
37 75% full < # of battery charges < 50% full
38 50% full < # of battery charges < 25% full
39
Charge data (since birth of player)
25% full < # of battery charges < empty
40 AC Cord Number of times plugged in
41 Play/Stop
42 Rewind
43 Fast Forward
44
Button Presses
Volume Up
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