Sony HDR-CX440 How To Use Manual page 180

(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
There is not enough free spaces for recording images. After storing the images on
other media, delete unnecessary images, or format the memory card.
The image data base file may be damaged. Check the data base file by selecting
- [Setup] - [
medium.
The memory card is damaged.
When you record an XAVC S 4K movie with [
use an SDXC memory card of UHS-I U3 or faster.
(Warning indicator pertaining to memory card formatting)
The memory card is damaged.
The memory card is not formatted correctly.
(Warning indicator pertaining to incompatible memory card)
Incompatible memory card is inserted.
(Warning indicator pertaining to the write-protect of the
memory card)
The memory card is write-protected.
Access to the memory card was restricted on another device.
(Warning indicator pertaining to camera-shake warning)
This product is unsteady, so camera-shake easily occurs. Hold this product steady
with both hands and record the image. However, note that the camera shake
warning indicator does not disappear.
(Warning indicator pertaining to photo recording)
The recording media is full.
Photos cannot be recorded during processing. Wait for a while, then record.
You cannot capture photos while recording movies in the following situations:
When [ REC Mode] is set to [60p Quality
Media Settings] - [Repair Img. DB F.] - the recording
REC Mode] set to [100Mbps
], [Highest Quality
],
].