FIRMWARE RELEASE NOTE
======================

Products affected: Q1921/-E

Release date:      2018-03-26

Release type:      Production

Firmware version:  5.51.5

File name:         Q1921_5_51_5.bin

Preceding release: 5.50.4.9

--------------------------------------------------------------------------------

Upgrade instructions
====================

The firmware can be upgraded using Axis Camera Management, HTTP or FTP.
Please follow the instructions from the user's manual, the web page at
http://www.axis.com/techsup/cam_servers/how_to_upgrade.htm or the file named
howtoupgrade.txt.

NOTE
====================

For latest information about Axis Cybersecurity, see
https://www.axis.com/se/sv/support/product-security.


Corrections in 5.51.5 since 5.50.4.9
====================================

5.51.5:C01
Updated R2 GlobalSign Root Certificate to version 20170717.

5.51.5:C02
Corrected an issue that let the camera become unresponsive in rare occasions when
connected to an AVHS system.

5.51.5:C03
Corrected critical vulnerability ACV-128401.


Known Bugs/Limitations
======================

5.51.5:L1
90 and 270 rotation can cause a drop in frame rate.

5.51.5:L2
If the device has ongoing continuous recordings and the device is restarted
using the restart option in web interface, the current part of recordings(block)
can not be accessed or downloaded through the web interface.

5.51.5:L3
AXIS Media Control client may stop displaying the H.264 video stream after the
PC has been locked.

5.51.5:L4
Live view does not work with QuickTime player using default settings.
Workaround: Disable Direct3D acceleration in Quicktime.

5.51.5:L5
To avoid corrupt recordings, it is recommended to unmount the SD Card before
ejecting it.

5.51.5:L6
Video overlay text size is a global setting and can not be set for each stream
profile.

5.51.5:L7
Private keys need to be in a PKCS#1 format in order to function when installing
Certificates.

5.51.5:L8
If downgrading to previous firmware version, a factory default is recommended
after performing the downgrade.

5.51.5:L9
On Windows shares, upload paths for events needs to be created on the share
before use.

5.51.5:L10
The ipv6.class field will have the same value in all IPv6 packages. The class
field value depends on the value of the DSCP setting.

5.51.5:L11
AMC with IE10 does not work when using IPv6.

5.51.5:L12
For scheduled action rules, a failing action due to temporarily down service can
lead to no actions until the next time schedule gets active.

5.51.5:L13
Reboot is necessary after enabling SOCKS.

5.51.5:L14
When changing active https-certificate, the device needs to be restarted before
it becomes active.

5.51.5:L15
Upgrading from firmware 5.40 and prior requires an upgrade of the recordings
database. This can take up to five minutes and is conducted on first boot. Make
sure to not remove power or SD card during the first five minutes after
upgrading the device.

Recordings made with firmware earlier than 5.20 will not be readable on the SD
Card from firmware 5.40 and onward. Backup important recordings and reformat the
SD Card after the firmware upgrade.

5.51.5:L16
Time modifiers used in the field "Create folder" is only used upon activation of
the rule, hence no new folders are created with the current time during an
active rule.

To have new folders created with time modifiers you should add them in the "Base
filename".


Supported AXIS VAPIX API Image Resolutions for AXIS Q1921/-E
============================================================

Resolution  Exceptions
==========  ==========

768x576     
720x576     
640x512     
640x480     
480x360     
384x288     
320x256     
320x240     
240x180     
176x144     
160x128     
160x120     

704x576     1)
704x480     1)
704x288     1)
704x240     1)
352x288     1)
352x240     1)
240x135     1)
192x144     1)
176x120     1)
80x60       1)

1) Not visible in web user interface