Uwatec Xtender User manual

1. Overview p2

1-1. Function Overview p2

1-2. Operation keys p3

1-3. Settings when the system is reset p3

2. Display and Operation

Specifications p4

2-1. LCD Panel Layout p4

2-2. Function of operation keys p4

3. Description of Mode States &

Operation Display p5

3-1. Time mode p5

3-2. Time Set mode p7

3-3. Alarm mode p11

3-4. Alarm Set mode p13

3-5. Dual Time mode p15

3-6. Dual Time Set mode p17

3-7. Dive Plan mode p19

3-8. Dive Set mode p22

3-9. Dive Log mode p25

3-10. History Clear mode p32

3-11. Dive Profile mode p33

3-12. PC Transfer mode p37

3-13. Dive mode p38

3-14. Locked states p54

4. Description of functions common

to all modes p57

4-1. Clock function p57

4-2. Daily alarm / time tone function p58

4-3. Altitude measurement judgment

function p58

4-4. Audible alarms p60

4-5. BLD detection function p62

4-6. Surface interval display function p63

4-7. Desaturation time display

function p63

4-8. PGT level and oxygen limited

indicator display function p63

4-9. Jump function p63

4-10. Auto return function p64

4-11. Display unit selector function p64

4-12. Default setting function p64

Contents

1. Overview

1.1 Function Overview

Xtender is a mobile dive computer for underwater diving that measures

depth during dives and, based on the measured values, calculates and dis-

plays a variety of dive data, including such critical data as a diver's body

oxygen level and the level of nitrogen that has dissolved into the diver's

body. The functions of the dive computer are outlined below.

•Clock function: internal full-auto calendar clock (with auto leap year recognition

and auto month-end recognition)

• Daily alarm function

• Time tone function

•Dual time function

• 12-hour clock/ 24-hour clock selector function

• EL backlight function

•Dive data functions:

depth measurement

dive time measurement

water temperature measurement

surface interval count

alarms

•Log memory function: Saves and displays logs for up to 30 dives

• History function: Saves and displays the total number of dives (up to 999) and

total dive time (up to 999 hours and 59 minutes)

• Profile function: Saves depths at set times during a dive, and displays

• Profile time (Pt) setting function

•PC download function: Transfers log and profile data to a PC

• Altitude measurement / altitude rank function

• User safety factor (USF) setting function

• m/ft selector function

1-2. Operation keys

• There are four keys for user operations: the A key, B key, C key, and D key.

• The E key serves as a water detection switch.

1-3. Settings when the system is reset

Item State

Mode Time mode

Time 12:00 00 sec. AM (12-hour clock)

Time (dual time) 12:00 00 sec. AM (12-hour clock)

Daily alarm 12:00 AM (chime: off)

Time tone Off

Ascent rate warning alarm On

Calendar January 1, 2003

Depth 0 m

Altitude rank Determined by measured value

after reset

FO2 setting Air (21%)

Inert gas level (PGT) 0 (none)

Oxygen limit indicator (OLI) 0 (none)

Desaturation time (DESAT) 0 (none)

Profile time (Pt) 30 sec.

User safety factor (USF) 0

Units m / °C (Celsius)

Log memory Continued from before

History memory Continued from before

Profile memory Continued from before

Other data memory All cleared (0)

2. Display and Operation

Specifications

2-1. LCD Panel Layout

2-2. Function of operation keys

• Operations are performed with the push-keys (the A key, B key, C key, and

D key) and the water detection switch (E key).

Key Main Function

A key Changes the mode

B key Lock button

C key Changes the column to be adjusted / UP button

D key EL backlight button / DOWN button

E key To Dive mode

Returns from Dive mode (at a depth of 1.4 m or less)

3. Description of Mode States &

Operation Display

3-1. Time mode

• Time mode is the default state during normal use and during surface intervals.

• All display segments flash when the dive computer is locked in the out-of-

range state or when it is locked in the decompression stop violation state.

• The demand displays for the dual time clock, DESAT, and surface interval

interfaces appear while the C key is pressed.3-1-1. Display

3-1-2.Key operations

Current day of

the week

Current

Month & day

Current time

Time tone flag

Daily alarm

flag Oxygen limited indicator

PGT level Battery

(currently hidden)

Dual

time Mode

indicator

Desaturation

Time

Surface interval

Nitrox flag

Altitude rank

3-1-3.Description of Time mode functions

(1) Clock function

• Keeps time, and displays a calendar and the current time.

(2) Demand display function

• Press the C key to invoke the demand display.

(3) EL backlight function

• The electroluminescent backlight illuminates for 2 to 3 seconds after the C key

or D key is pressed.

• When the C key is entered, the demand display simultaneously appears.

• Continuously pressed and held keys are ignored. (The backlight illuminates for

2 to 3 seconds from the time the key is first pressed.)

• Input from the C and D key is ignored while the backlight is illuminated. (The

Key Entry / State Time Surface interval of

under 10 minutes

A key To Alarm mode

→

B key To Time Set mode Invalid (audible

alarm)

C key pressed Time demand display

and backlight on

→

D key Backlight on

→

C & D key Alarm test

→

E key: water detection switch

To Dive mode

→

E key (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)

→

backlight goes off 2 to 3 seconds after the key is first pressed.)

• If a mode changing key is pressed while the backlight is on, the backlight

immediately goes off and the selected mode is invoked.

(4) Alarm test function

•Simultaneously press the C key and D key to test the audible alarm.

(5) Lock state reset function

•In the out-of-range lock state and decompression stop violation lock state,

simultaneously press and hold the C key and D key for 15 seconds to clear the

lock state and access the normal state.

3-2. Time Set mode

• Time Set mode is used to set the current time, the current date, and the time

format (12- or 24-hour clock).

• Time Set mode cannot be accessed until a surface interval of at least 10

minutes has elapsed.

3-2-1.Display

3-2-2.Key operations

3-2-3.Description of Time Set mode functions

(1) Selecting columns to be adjusted

• Press the C key to select the column to be adjusted.

Current year

Current time

(reset digit flashes)

Current

month & day

Key Entry

/State

Set

Seconds

Set MInutes Set Hour Set Ye a r Set Month Set Day Set Time

Format

A key Invalid

→→→→→→

B key To Time

mode

→→→→→→

Ckey

minute

setting

To hour

setting

To year

setting

To month

setting

To d ay

setting

To clock

format

setting

To seconds

setting

Dkey Reset 00–59

MInute

setting

0–23

Hour

setting

2003-2050 Year

setting

1–12 Month

setting

Day

setting

Toggle

between 12h

& 24h

D key

pressed Invalid

Minute setting

(Fast-forward)

Hour setting

(Fast-forward)

Year setting

(Fast-forward)

Month setting

(Fast-forward)

Day setting

(Fast-forward)

Invalid

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