Kenwood M1GC7 - Manual (Page 34)

English 
Troubleshooting
The.Player.can.often.be.recovered.using.the.PC..
Try. recovery. from. the. PC. in. case. of. a. trouble,. for. example,. when. the. Player. cannot. be.
switched.ON,.it.switches.OFF.spontaneously.or.the.display.is.erroneous.
For.details,.refer.to.the.support.information.in.our.website.by.visiting:
http://www.kenwood.com/
Symptom Remedy
Power cannot be switched ON or pressing a
button does not start an operation. The HOLD function is ON.
Cancel the HOLD function with the HOLD switch on the Player (page 9).
The battery is nearly exhausted.
Recharge it if it is rechargeable or replace it if it is an alkaline battery.
The Player is being connected to the PC.
The Player is inoperable when it is connected to the PC in the storage mode.
The remaining battery power drops soon
after recharging. The rechargeable battery is degraded.
Replace it with a brand-new rechargeable battery.
Audio is not heard. Headphones are connected improperly.
Connect headphones correctly to the Player.
Battery cannot be recharged. USB cable is connected improperly.
Check the connections on both the Player and PC sides.
The rechargeable battery in use is not the dedicated battery.
The rechargeable battery usable with the player is only the provided battery or
the optionally available NB-3A90.
The player is connected to a USB hub.
The player does not function if connected to a bus power type USB hub.
Connect the player directly to the PC or to a self-powered USB hub.
PC does not recognize the Player. The Player is connected to the PC in the player mode.
Select the storage mode.
USB cable is defective.
Purchase and use another USB cable.
The Player is connected to the PC improperly.
Check the connection between the Player and PC.
The player is connected to a USB hub.
The player does not function if connected to a bus power type USB hub.
Connect the player directly to the PC or to a self-powered USB hub.
FM stations cannot be tuned. Headphones are not connected.
The headphones play the role of an antenna and must be connected for FM
reception.
Appendix