Sony ICD-ST25 Operating Instructions (primary manual) - Page 7
Replacing the Batteries - recorder
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Getting Started Replacing the Batteries The battery indicator on the display window shows the battery condition. Notes • Do not use manganese batteries for this unit. • When you replace the batteries, insert the new ones within 3 minutes after you remove the exhausted ones. Otherwise, the display may show the clock setting display or incorrect date and time when you re-insert the batteries. In this case, set the date and time again. The recorded messages and alarm setting, however, will remain. • When you are not going to use the unit for a long time, remove the batteries to prevent damage from battery leakage and corrosion. • You can also use AAA size rechargeable batteries (page 8). • When you connect the AC power adaptor AC-E30HG (not supplied) to the unit (excluding the Korean and the People's Republic of China models), the battery remain indication does not appear. Battery remain indication : Replace both of the two batteries with new ones. m : The unit will stop operation. Battery life (Using Sony alkaline batteries LR03 (SG)) (Recording mode:) ST (Stereo) SP LP In continuous recording: Approx. 13 hours Approx. 15 hours Approx. 18 hours In continuous playback: Approx. 6.5 hours Approx. 7.5 hours Approx. 8.5 hours * When playing back through the internal speaker with the medium volume level * The battery life may shorten depending on the operation of the unit. Continued 7GB