POE 5.2 Upgrade notes:

New Features:
a) Upgraded IP stack for improved network stability
b) 9 digit clock support
c) New timer options including days and countdown to specific date and time.
d) Updated leap second support
e) DHCP Option 143
f) Separated control of HH and MM:SS colors on 6 digit clocks and DDD and HH:MM:SS on 9 digit faces

IMPORTANT UPGRADING NOTE:
Parameter block will be reset to factory.  All settings of the clock will have to be reset.
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POE 5.3 Upgrade Notes:

Features and Fixes:
a) Added support for Alarms to change brightness.  A new duration code is supported, B0 to B100.  The number
is the percentage of the already set brightness.  0 is off, 100 is full on at the level programmed currently.
b) Corrected issue with DNS lookups for NTP servers in Static IP Address mode.

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POE 5.4 Upgrade Notes:

Features and Fixes:
a) Support of two-line display TimeZone clocks
b) Support of bargraph displays with TimeZone clocks
c) Obsolete Color-Change command in timer programs, incorporated into timer statements
d) Updated API to support new text features and VAR settings

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POE 5.5 Upgrade Notes:

Features and Fixes:
a) Fixed web server memory leak.  Would eventually cause network connection to stop working.  NTP and API unaffected.

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POE 5.6 Upgrade Notes:

Features and Fixes:
a) Fixed web server memory leak.  Would eventually cause network connection to stop working.  NTP and API unaffected.

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POE 5.7 Upgrade Notes:

Features and Fixes:
a) Added support to allow display time setting to be read by TM-Manager 2.2.3+
b) Fixed bit mask field in locator to allow D:H:M mode to be triggered through locator protocol

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IMPORTANT UPGRADING NOTE:
Parameter block will be reset to factory.  All settings of the clock will have to be reset.
***If alarms are already created, duration values may be altered by the update due to change memory layout.***