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Explains manual structure, button conventions, and basic watch controls.
Details setting time/date, DST, and using the stopwatch for elapsed time.
Covers setting, starting, pausing, and resetting preset countdown timers.
Details configuring and performing sequential countdowns with the interval timer.
Explains viewing different city times and adjusting Daylight Saving Time.
Covers setting, testing, and switching daily alarms and hourly time signals.
Details automatic and manual display illumination functions.
Warnings and advice for safe and effective use of illumination features.
Reference table for city codes and their corresponding UTC time differentials.
Illustrates the layout and segment mapping of the watch's Liquid Crystal Display.
Identifies specific test pads on the PCB for trimming and module connections.
Locates essential components like sensors, capacitors, and crystals on the printed circuit board.
Provides important notes on spare part pricing, classification, and ordering.
Step-by-step guide for performing an all-clear reset and safely removing the module.
Instructions for checking the module's timekeeping accuracy.