Citizen MA9XXX Watch User Manual


 
4) When the watch stops or something goes
wrong with it, please do not use it.
5) When the water depth meter
display on the watch shows a big
difference with other water depth
meters, please refrain from using
the watch.
(While Diving)
1) When the depth chart error warning function
operates – the dot display alternates between dot
display and “ERR” display as a warning.
2) When the battery warning function operates – the
dot display alternates between dot display and
“BAT.” (D201/D207)/“BT” (D202/D208) display, as
a warning. Once the battery warning display
appears, please realise we can”t guarantee the
accuracy of the depth measurement.
3) When the watch stops or something goes
wrong with it, please do not use it.
4) When the water depth meter has a big
difference with other water depth meters,
please do not use the watch.
D. For safe usage
[Make sure you read this caution]
CAUTION:
1. Items to check for safe usage
a. The depth display of this watch is up to 80m
(260ft). Although this watch has water resistance
up to 80m (260ft), for safe diving we recommend
that you stay shallower than 30 metres (100ft)
[sports diving].
b. The water depth meter in this watch is set
according to the sea water standard (1.025
gravity)
In case you use the watch in fresh water, i.e., you
need to make a conversion.
[Example]
When the watch is 80m (260ft) deep, in the case of
sea water it displays 80m (260ft), but when in fresh
water, it displays 78m (253ft); shallower than what it
really is.
c. Avoid descending too rapidly.
In order to get an accurate depth
reading, slow down the descent, or stop.
d. Avoid ascending too rapidly.
If you ascend at a speed greater than
1.5m (5ft) per 5 secs (D201/D207).
/0.9m (3ft) per 6 secs (D202/D208).
18m (60ft) per minute (D201/D207)
/9m (30ft) per minute (D202/D208)
according to the U.S. navy diving
manual, then the ascending speed
warning function will operate. The dot display
changes to “SLOW” display and an alarm will
sound.
Please maintain a safe ascending speed. Slow
down your ascent or stop in order to get an
accurate depth reading.
As rapid ascending is hazardous to the
human body, sometimes causing the bends,
always avoid it.
*The new regulation of the U.S. Navy diving manual
is executed in 1993, changing the Surface Speed
Warning at the rate of 9m/min. from 18m/min.
e. Do not use the watch in places where it is
exposed to large changes of air pressure or
temperature.
The watch will automatically check for unusual air
pressure, while in various normal modes (time
and calendar mode / surface mode / log mode /
alarm mode). If any abnormality is detected, the
dot display will alternate between dot display and
“ERR” display. When this happens, the water
depth cannot be measured. If the “ERR” display
disappears, the watch can be used normally.
When boarding a plane
When exposed to sudden pressure change
(pressurisation) as in the inside of an aeroplane, if
applicable, if the water sensor is touched with a
finger or moistened, the watch may change to
dive mode. If it changes to dive mode, dry the
water sensor, and cancel dive mode by holding
down button
M
for more than 2 seconds.
f. We recommend that you change the battery as
early as possible.
The life of the battery in this watch is about 3 years
after a new battery is installed. (Please look up S.
[Battery] for the conditions of usage). However,
the life of the battery changes a lot depending on
the frequency of use of various functions. In order
to enjoy safe diving, we recommend that you
change the battery ahead of time.