Brand: JVC
Category: Camcorder
Document Type: Manual
Language: EN
Manual for GZ-HD620
Uploaded: Aug. 10, 2025, 12:33 a.m.
Manual Publish Date: 2010-01-01
Charging the Battery Pack:
Attach the battery pack to the unit, connect the AC adapter, and plug it into a power outlet. The charging lamp indicates the charging status.
Grip Adjustment: Flip the grip belt over, adjust its length, and fasten it properly for a secure hold.
Using the Hand Strap: Loop the hand strap around your wrist for better control and to prevent drops.
Inserting a microSD Card: Turn off the unit, open the card slot cover, and insert a microSD card with the metal contact area facing outward.
Clock Setting: Open the LCD monitor, select "YES" to set the date and time, adjust the values using the slider and buttons, and select your region.
Troubleshooting and error codes
| Issue | Solution |
|---|---|
| Battery Pack: Unable to turn on the power when using the battery pack. | Recharge the battery pack. If terminals are dirty, clean them. Use only JVC battery packs for safety and performance. |
| Short usage time even after charging. | Battery deterioration may occur. Replace the battery pack. |
| Unable to charge the battery pack. | Check charging lamp status. Clean terminals if dirty. Use original battery packs to prevent damage. |
| The remaining battery display is not correct. | May occur with prolonged use in extreme temperatures or frequent charging. |
| Recording/snapshot cannot be performed. | Check START/STOP switch. Set to recording mode. Check the A/M mode. |
| Recording stops automatically. | Unit stops after 12+ consecutive hours or due to overheating. Insert microSD card and set media to "SD" if HDD is malfunctioning. |
| The image stabilizer does not work. | Does not work when recording still images. |
| The continuous shooting speed of still images is slow. | Speed may drop with repeated use, depending on the microSD card or recording conditions. |
| The focus is not adjusted automatically. | Adjust focus manually in dark or low-contrast scenes. Use Focus Assist. Clean the lens. |
| Digital zoom does not work. | Digital zoom is not available for still image recording or time-lapse shooting. Set "ZOOM" in menu to "60x", "80x", or "200x". |
| Vertical lines appear on recorded images. | This is not a malfunction; occurs with brightly lit subjects. |
| Mosaic-type noise occurs with fast movements or extreme brightness changes. | Set "VIDEO QUALITY" to "UXP" or "XP". |
| Card: Cannot insert the microSD card. | Ensure correct orientation. |
| Unable to copy to microSD card. | Perform media settings ("REC MEDIA FOR VIDEO"/"IMAGE"). Format the card if previously used on other devices ("FORMAT SD CARD"). |
| Playback: Sound or video is interrupted. | Interruption at scene connections is not a malfunction. |
| Cannot find a recorded file. | Cancel group display and date search. Check "REC MEDIA FOR VIDEO"/"IMAGE" settings. Use "PLAYBACK OTHER FILE" for damaged files. |
| No date/time display. | Set "ON-SCREEN DISPLAY" and "DISPLAY ON TV" to "ON". |
| Images do not appear on the TV properly. | Disconnect and reconnect cable. Turn unit off and on again. |
| Images are projected vertically on the TV. | Set "VIDEO OUTPUT" to "4:3". Adjust TV screen. |
| Unable to delete file. | Protected files cannot be deleted. Release protection. |
| Unable to play back DVD with title. | This may occur when connecting to a DVD writer. |