3-4-2. Key operations
State Daily Alarm Daily Alarm
Key Entry Minute column setting Hour column setting
A key Invalid
B key To Alarm mode
C key To daily alarm hour
column setting
To daily alarm minute
column setting
D key 00 – 59 min. setting 0 – 23 hour setting*1
D key pressed
continuously
Minute setting (fast-
forward)
Hour setting (fast-
forward)
No key operated for 2
- 3 minutes
To Time mode
E wet contact: water
detection switch
To Dive mode
E wet contact(when
BLD is detected, an
altitude rank error
occurs, locked in the
decompression stop
violation state, locked
in the out-of-range
state)
Invalid
(Audible alarm sounds
while ON)
*1 For the 12-hour clock format, set from 1 to 12.
3-4-3. Description of Alarm Set mode functions
1 SELECTING THE COLUMN TO BE ADJUSTED ON THE DAILY ALARM CLOCK
• Press the C key to select the column to be adjusted.
• The columns are selected in the following order:
Minute column Hour column Minute column …(loop)
• The selected column flashes.
2 ADJUSTMENT METHOD
• A value of 1 is added each time the D key is pressed.
• Adjustments are speeded up if the D key is held down for 1 to 2 seconds.
• If the daily alarm is OFF at the time the daily alarm clock setting is
changed, the daily alarm is automatically turned ON.
3 CARRYING NUMBERS DURING ADJUSTMENT
• Numbers are not carried over to the next column during adjustments.
For example, if the D key is used to change the minutes setting from 59
minutes to 00 minutes, the hour column does not change.
3-5. DUAl TIME MODE
• A mode for selecting dual time.
• All display segments flash when locked in the out-of-range state or when
locked in the decompression stop violation state.
3-5-1. Display
<Normal Screen > <After Dual Time Selection>
Current time
Dual time clock
Daily alarm flag
Dual time
month & day
Mode indicator
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