Jands HOG 1000, Operating Manual

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HOG – Version 3.20
You can enter multiple hourly triggers, although only 4 triggers will show on screen at any one time. By
using the cursor keys, you can scroll through the list of triggers.
Astronomical Clock
The astronomical clock functions share the real time clock triggers window found by pressing Setup ,
Inputs
,
24 Hr Clock
. Sunrise and sunset triggers are programmed in the same manner as hourly or
daily trigger, however the time is relative to sunrise or sunset respectively. A “
>
” seperates the time from
the actual macro being initiated.
eg, to set a trigger to occur at sunrise precisely one would enter “
0>
” followed by the trigger macro.
eg, to set a trigger to occur 20 minutes after sunrise the time entered would be “
20>
”.
eg, for a trigger to occur 2 hours and 20 minutes before sunrise, the time would be “
-2:20>
”.
In order to calculate sunrise and sunset accurately the console must know its geographical location. This
information is entered in the top right of the same window. A drop down list of cities worldwide is
provided, and the simplest option is to select your city from the list. This will automatically set the correct
longitude, latitude and timezone in the neighbouring boxes.
If you do not live in any of the listed cities (they are listed alphabetically first by country, then by state
where appropriate) then choose the nearest location to you. If this is fairly close (within 100km) then it
should be sufficient. If you are not close to any of the listed cities you will have to enter the geographical
data manually. The timezone should be entered as the offset between GMT and your local time without
their daylight saving time adjustments. The longitude and latitude are entered in degrees and minutes west
and east of the Greenwich Meridian, and north and south of the equator. This data should be available from
local information resources.
The final element required for operation is the present time and date. The time and date are set as usual,
however a
DST
(Daylight Saving Time) toggle has been added to indicate whether the time is adjusted for
daylight saving (summer time). Setting and clearing this toggle will automatically add or subtract an hour
from the preset time. Unfortunately the state of this toggle is not retained with the time and date
information, nor is it saved with the show. Therefore you must check the time and date whenever a show
with astronomical triggers is loaded.
In a long-term situation the user may choose to leave the clock set to standard time (not
adjusted for daylight saving) permanently. In this case the times calculated will still
correspond to the actual sunrise and sunset, even though the console clock may be an
hour off local time for part of the year.
Given the correct information, the console can calculate the sunrise and sunset times to within 5 minutes –
in almost all cases it will be somewhat more accurate. However local factors such as atmospheric
conditions (cloud cover), height above sea level, and height of surrounding terrain may slightly alter the
time at which light conditions actually change. The sunrise/sunset triggers will operate best when triggering
slow crossfades between day and night lighting states, or for initiating non-time-critical changes.
Experiment with your local conditions!