Using the H32
H32 User Guide
18
3.3.2
Adjust display backlight brightness
To get to the backlight brightness dialog tap ->
Control Panel
->
Display
->
Backlight
tab and tap the Advanced button. The default brightness is set to 30%. The
brightness can be changed by moving the slider to the left or right. Changing the slider
setting will show immediately the slider backlight brightness. The new settings are
applied when the button is tapped. Tapping the button will ignore the slider
settings and use the previous brightness setting.
3.4
Date time
The H-32 has in internal real time clock. When the H-32 is started for the first time the
default date is 1-1-2015. The default time zone is Pacific Time. Default a date/time
synchronizing service is running in the H-32. Time sync happens automatically when
there is a Wi-Fi connection and the set time server can be reached.
3.4.1
Set Date and Time zone
To get to the Date/Time properties dialog there are two options, double tap the clock in
the Taskbar or tap ->
Control Panel
->
Date/Time
. In the Date/Time properties
dialog the date, time and Time zone can be set a checkbox is available for enabling
automatic adjustment for daylight saving time. After making changes tap the apply
button or tap the button.
3.4.2
Change Time sync settings
Time synchronization settings can be changed but only from the registry. To have the
registry changes to take effect then either programmatically a new sync is requested or
a reboot of the H-32 is needed.
Time service registry setting
[HKEY_LOCAL_MACHINE\Services\TIMESVC]
"server"=hex(7):\
74,6F,63,6B,2E,75,73,6E,6F,2E,6E,61,76,79,2E,6D,69,6C,00,\
74,69,6D,65,2E,77,69,6E,64,6F,77,73,2E,63,6F,6D,00,00
"refresh"=dword:0036EE80
"recoveryrefresh"=dword:000493E0
Value: type
Description
Server
REG_SZ or
REG_MULTI_SZ
Default 2 time servers have been set in the H-32. The above settings
match.
tock.usno.navy.mil
time.windows.com
Refresh
DWORD
Specifies the period, in milliseconds, between synchronizations
with the SNTP server. This value needs to be higher the
recoveryrefresh value minimum value is 300000 (0x000493E0)
milliseconds. Default refresh time 1 hour.