5: Function Reference
F66 – Daylight Saving Time (DST) Mode
Use function F66 to enable or disable Daylight Saving Time (DST), and to schedule when
Local time enters and leaves DST. The factory setting for F66 is Manual (i.e., DST On). The
hour for entering/leaving DST is given in the 24-hour format. Entering/leaving DST can be
scheduled for any hour of the day, any day of the year. However, transitions scheduled
within 24 hours of the beginning/end of the year may not occur at the desired time. This
function also works for locations in the southern hemisphere, where DST spans the new
year.
See "Factory Default Jumper and Switch Settings for Options" on page 166
Command Line
To display the current status of F66, enter a command using the following format:
F66<CR>
F66 responds using the following format:
F66<S><STATE><ENTER/EXIT><CR>
where:
F
= ASCII character F
66
= function number
<S>
= ASCII space character one or more.
<STATE>
= Off or Manual.
<ENTER/EXIT>
= If <STATE> is Manual, <ENTER/EXIT> are the dates it enters and exits DST.
<CR>
= carriage return character.
<LF>
= line feed character.
For example, to disable DST, enter:
F66 Off<CR>
F66 responds:
OK<CR><LF>
To enable DST and set the DST entry and exit times, use the following format:
Page 84 of 221 .................................098-00116-000 Rev. A
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