Citizen MA9XXX How to perform all reset, No decompression limits, Specifications

Place the watch so that the transfer terminal is touching the centre pin of the communication unit’s three way connector. (Look at the picture below)

7. How to remove.

Hold the band of the watch and raise by lifting the left side (pressure sensor side) of the watch gently.

Before disconnecting the RS- 232C cable, complete the aqualand graph then turn the personal computer off.

P. How to perform all reset

When the battery is changed or the watch is not functioning or displaying normally, perform the “all reset”.

1.Press all 4 buttons at the same time for more than 2 seconds then release them.

–All possible display segments will appear.

2.Press either one of the buttons and release.

–At that time, an alarm will ring confirming that all functions were reset.

After the alarm, the LED will flash 3 times. The watch will display the calendar mode in which “1 Jan / Mon / AM 12:00” will appear.

★Caution: when resetting all functions.

•If you perform the “all reset”, all log and profile data will be deleted, so transfer all data to a personal computer or record it in a log book beforehand.

•When you release all 4 buttons, if the water sensor is wet, “CHEK” (D201/D207) / “TIME” (D202/D208) will appear in the dot display. After that, all possible display segments will be black. Please operate the watch in the same way as normal resetting.

Q. No decompression limits

<How to read the no decompression limits>

DEPTH.m		N.D.TIME
12m	(40ft)	_____	200min.
15m	(50ft)	_____	100min.
18m	(60ft)	_____	60min.
21m	(70ft)	_____	50min.
24m	(80ft)	_____	40min.
27m	(90ft)	_____	30min.
30m	(100ft)	_____	25min.
33m	(110ft)	_____	20min.
36m	(120ft)	_____	15min.
39m	(130ft)	_____	10min.
42m	(140ft)	_____	10min.
45m	(150ft)	_____	5min.

(Example)

If you dive no deeper than 21m for no more than 50mins, then according to this chart there is no need to stop for decompression.

★Caution:

The no decompression limit is different depending on body condition, or personal differences. Please use the no decompression limits on this watch as a guideline.

When a dive requires no decompression limits make sure you follow a specialised divers manual.

R. Specifications

1.Type: Digital divers watch with water depth meter, thermometer, water sensor

2.Quartz crystal frequency: 32,768Hz (Hz = oscillations per second)

3.Time accuracy (under normal temperature): within + 20 seconds per month

4.Water depth meter accuracy: within + 3% of displayed figure plus 30cm (1ft). However, it must be within the operating temperature range

10oC ` 40oC (50oF ` 104oF), the water depth meter is affected by change of temperature.

5.Display method: Digital system display

6.Watch operating temperature range: - 10oC ` 60oC (14oF ` 140oF)

7.Display functions

• Time: hours / minutes / seconds

• Calendar: month / day / day of the week

• Temperature display (including the lowest water temperature displayed in log mode): -5oC ` 14oC

within +3oC 1oC unit/15oC ` 40oC within +2oC

1oC unit (23oF ` 57oF within +6oF 1oC unit/59oF

`104oF within +4oF 1oF unit)

•Present depth display: 1.0m ` 80.0m (10cm units) [Below 1.0m is displayed as 0m]

4ft ` 260ft (1ft unit) [Below 1ft is displayed as 0ft]

•Maximum depth display: 1.0m ` 80.0m (4ft ` 260ft)

•Average depth: 1.0m ` 80.0m(4ft ` 260ft)

•Dive month and date: month / date

•Dive start time: hour / minute

•Dive completed time: hour / minute

•Dive time: 0 min ` 199 mins.

•Dive number: 1 ` 9