Seiko A860A, Каталог запасных частей / Техническое руководство

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7
TECHNICAL GUIDE
Cal. A860A, A861A
IV. VALUE CHECKING
• Speaker block resistance
44
Ω
~ 84
Ω
• Current consumption
For the whole module : Less than 5.0
µ
A (with voltage supplied from a battery)
For the circuit block alone : Less than 4.0
µ
A (with voltage supplied from a battery)
• All the segments lit up
How to light up all the segments
Press and hold button “B” for 2 to 3 seconds to show the TIME SETTING display, and then, press buttons
“C” and “D” at the same time to light up all the segments of the display.
With all the segments lit up, check for abnormal displays, etc.
[All the segments lit up]
• To return to the normal display, press button “A”, “B”, “C” or “D”. (The watch will return to the TIME
mode.)
• Time accuracy
1) Light up all the segments of the display, following the procedure above.
2) Place the watch on the microphone’s mark for placing the watch with the liquid crystal panel facing
the mark.
* If a stable measurement cannot be obtained, adjust the level by turning the level adjuster knob.