Operation Manual

roughly 50% strength, and one bar represents about 25% remaining strength. The signal strength
meter will not be shown when there are no batteries installed and the iSongBook is operating
from the power supply.
An “E” (“Empty”) on the LCD represents batteries which are just about depleted and should be
replaced if Alkaline, or charged if NiMH/NiCAD, within approximately 10 minutes or the display will
go blank and all memory settings will be lost. (Figure 11) If the display shows “E” and alkaline
batteries are replaced while the iSongBook is On, the “E” will reappear on the LCD after the batteries
are replaced until the unit is switched Off and then turned back On to reset the microprocessor.
Batteries should be replaced with the iSongBook Off.
Other Important Battery Notes:
• Rechargeable batteries that are brand new, or have not been used in a long time, require
conditioning (5–6 full charge/discharge cycles) before lengthy playback time is realized.
Higher mA valves will yield longer playback time but will also require a longer charge time.
• Remove all of the batteries if the iSongBook is not to be used for an extended period of time.
• Dispose of spent batteries according to your state/country’s regulations.
• Do NOT mix battery types or different battery strengths.
• Change batteries while the iSongBook is OFF.
• The battery orientation should match the illustration in the battery compartment.
• Do not burn or disassemble batteries.
• Do not change alkaline batteries.
• Rechargeable batteries of a 2400mA rating or greater require two full charge cycles. After charging,
turn the iSongBook on for about 30 seconds and then off again to initiate the 2nd charge cycle.
• If your rechargeable battery playback time decreases substantially, it is time to replace the batteries.
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Figure 11