Microtek MKT-1300a - Manual (Page 14)

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Audio Mode
Audio Normal Display
1.Audio mode
2.Battery status indicator
( Full/ Half/ Low)
3.SecureDigital (SD) card indicator
4.OK: Start (press the OK button to start recording)
5.STBY (Standby)
Audio Recording Display
1.Audio mode
2.OK: Stop (press the OK button to stop recording)
3.Elapsed recording time
4.Recording in progress