Central USA Zone "mode_usac" (Chicago).
Winter to summer time = second Sunday of March at 2am local time.
Summer to Winter time = first Sunday of November at 2am local time.
Mountain USA Zone "mode_usam" (Denver).
Winter to summer time = second Sunday of March at 2am local time.
Summer to Winter time = first Sunday of November at 2am local time.
Pacific USA Zone "mode_usap" (Los Angeles).
Winter to summer time = second Sunday of March at 2am local time.
Summer to Winter time = first Sunday of November at 2am local time.
Australia Zone "mode_aus" (Sydney).
Winter to summer time = first Sunday in October at 2am local time.
Summer to Winter time = first Sunday in April at 3am local time.
Without seasonal change "mode_gmt".
No summer/winter changeover.
For radio synchronised or AFNOR clocks, it is necessary to programme
the time zone.
The GMT function imposes an offset between the time received in
coded time (radio or AFNOR message) and the time displayed.
Validate this option with the [SEL] button.
Menu only operational for radio synchronised or AFNOR/Irig-B in mode
LOC models.
Setting the offset in GMT mode.
The offset can be adjusted by pressing [+]. The value to be chosen is
between -12 h 30 and +12 h 30 by increments of 0 h 30.
The time displayed = GMT + or - x hours.
N.B. : for independent clocks (without external synchronisation, radio or time
distribution), this adjustment is inactive. The time is adjusted only via the time setting
menu and the geographic zone selection.
A independent clock in GMT zone = no seasonal changeover.
A independent clock in xx zone = seasonal changeover according to the zone.
Seasonal change programmable on "mode_prg""
This menu enables you to programme the dates of summer/winter time
changeovers. It allows you to determine the start of the summer period
(points 1 to 3) then the start of the winter period (point 4 and following
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