Sony HDR-CX450 How To Use Manual page 197

Self-diagnosis display
If indicators appear on the LCD monitor, check the following. If the problem persists even
after you have tried to fix a couple of times, contact your Sony dealer or local authorized
Sony service facility. In this case, when you contact them, give them all the numbers of the
error code beginning with C or E.
You may hear a melody when an important warning indicator appears on the LCD monitor.
C:(or E:) : (Self-diagnosis display)
C:04:
You are not using the designated battery pack. Make sure to use the designated battery
pack.
Connect the AC Adaptor and the USB cable firmly.
C:06:
The battery pack temperature is high. Change the battery pack or place it in a cool place.
C:13: / C:32:
Remove the power source. Reconnect it and operate this product again.
E: :
Follow the steps from 2 on "If you have problems."
(Battery level warning)
The battery pack is nearly used up.
Depending on the operating environment or battery conditions, may flash even with
about 20 minutes of power remaining.
(Warning indicator pertaining to the temperature of this
product/battery pack )
The temperature of the product/battery pack is high. In this case, leave the power off and
wait until the temperature of the product/battery pack goes down.
(Warning indicator pertaining to memory card)
Slow flashing
Free spaces for recording images are running out.
No memory card is inserted.
Fast flashing