1）Buttons And Functions - Seiko S833 Instructions Manual

If such occurred, stop altitude measurement, wait for about 10 minutes until the
measurement accuracy of the built-in pressure sensor recovers, and then, start altitude
measurement again. The Altimeter mode of this watch calculates altitude based on
atmospheric pressure. If the pressure sensor installed at 9 o'clock position of the watch
is exposed to splashes of water, in accurate altitude measurement may result.
(1) Buttons and functions
Press Button Ⓐ to the Altimeter mode. After "ALTI" is displayed at the top row,
the current altitude display appears.
4
Button Ⓑ
Button Ⓐ
Button Ⓕ
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Button Ⓐ：To show Barometer/Thermometer mode
Button Ⓐ（Press and hold）：To show Weather mode
Button Ⓒ
Button Ⓑ：To show Time/Calendar mode
Button Ⓓ
Button Ⓒ：To set flashing digits (increase)
Button Ⓒ（Press and hold） ：To start ALTI REC function
Button Ⓔ
Button Ⓓ（Press and hold） ：To activate altitude calibration,
Button Ⓔ：To restart altimeter measurement
Button Ⓔ（Press and hold） ：To start Field Mode REC function
Button Ⓕ：To turn on illuminating light
Button Ⓕ（Press and hold） ：To start Bluetooth communication
Selection of display from altitude calibration,
drift cancel and unit of measure change
drift cancel and unit of measure setting function
To set flashing digits (decrease)