Bodet Cristalys 14 NTP Instructions De Mise En Service Et D'utilisation page 30

5.
Press on [SELECT] to access to the setting of the temperature unit.
This menu permits to choose between degree
Cesius and Fahrenheit.
Press the [SELECT] button. Adjusting the
temperature offset. Variation, using the [+]
button between –9.5°C and +9.5°C by increments of 0.5 (on leaving
the factory, an adjustment can be made).
6.
Press [SELECT] to obtain the Test display menu. This menu enables
you to check that all the clock segments are giving the correct
display.
7.
Press [SELECT]. The Correction menu appears. This enables you to
correct the time base manually. On leaving the factory, the value of
the offset is 0. The value of this offset may vary (using the [+])
between -9s99 and +9s99 per 10ms step (#0.12 ppm). The addition
of this daily offset to the time base will be spread over 24 hours.
8.
Press [SELECT] again to exit the technician menu and return to the
time display.
Reminder : At any time, holding down the [SELECT] button, then pressing the [+] button
quickly, goes to normal display mode and exits the configuration menu.
If no buttons are pressed for 10 minutes, the clock returns automatically to time display
mode.
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