User Guide for CRESSI models including: EAM Leonardo Underwater Single, EAM, Leonardo Underwater Single, Underwater Single, Single

User Manual

Cressi 1946 - Official Website


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Leonardo New Quick Guide Rev.02 2023 web
[

LEONARDO QUICK DOWNLOAD THE COMPLETE
GUIDE [ CRESSI INSTRUCTION MANUAL
at: www.cressi.com/manuals LONG LIFE HIGH CONTRAST HIGH POWER EASY ACCESS MULTI MODE

BATTERY

DISPLAY

BACKLIGHT

MENU

Cressi reserves the right to make changes to the instrument without notice, based on the incessant technological upgrade of its components.

OPERATING BUTTONS

Short

\ NEXT (ONE STEP)

Long (1 Sec.) \ ENTER \ ESC

Long (3 Sec.) \ RETURN

3

SWITCH ON PUSH TO SWITH ON THE COMPUTER
PRE DIVE

PRE DIVE (DESAT)*

* In case of desat time, in mode
AIR, GAGE the computer will alternate the pre dive screen to that of desat screen. In case of desat time in mode NITROX the computer will altrenate the pre dive screen to that of GAS.

THE SCREEN SCROLL AUTOMATICALLY EVERY TWO SECONDS

SURF TIME

DESAT TIME COUNTDOWN

NO FLY TIME COUNTDOWN
4

DEEP STOP INDICATOR

STAGE INDICATOR

!

HIGH SPEED ASCENT

OXYGEN OXYGEN TOXICITY BAR

PPO2 VIOLATION !

ASCENT ALARM SPEED OFF

!

SAFETY FACTOR INDICATOR

BATTERY LOW

ALTITUDE MODE

5

MAIN SURFACE MENU

PRE DIVE

TIME

MODE SET

LOGBOOK

see page 11

ENTER

RETURN

ENTER

RETURN
( ) AIR MODE

( ) NITROX MODE

( ) GAUGE MODE
Scroll the Mode and confirm

6

ENTER
RETURN
see page 10

DIVE-SET

TIME SET

PLANNING

ENTER · Deep stop ON /OFF
( ) AIR · Safety Factor SF 0/1/2 MODE · Altitude ALT 0/1/2/3 · Depth ON/OFF · PPO 1.2 - 1.6 2

( ) · Deep stop ON /OFF

NITROX MODE

· Safety Factor SF 0/1/2 · Altitude ALT 0/1/2/3

· Depth OFF 50-10 m. (164-30 FT)

· % 02 21 - 50% GAS 1

· PPO2 1.2 - 1.6 GAS 1 · * % 02 21 - 99% GAS 2

· * PPO GAS 2 2

ENTER

SLEEP ALARM ON/OFF · SET HOUR · SET MINUTE
· SET H. 12/24 · SET HOUR · SET MINUTE · SET D-M/M-D · SET DAY or MONTH · SET MONTH or DAY · SET YEAR

Scroll the Mode

and confirm Scroll +/-

ENTER

and confirm

ENTER

RETURN

SURF

ENTER

INTERVAL

TIME

SCROLL FOR INCREASE THE INTERVAL SURF TIME AND ENTER

PO2

% 02

NO

DEPTH

DECO

TIME

SCROLL FOR INCREASE THE DEPTH

RETURN

Not avaible in GAGE MODE 7

MAIN SURFACE MENU

SYSTEM MENU

PC LINK

SETTING & INFO SYSTEM CHANGE UNITS

HISTORY

ENTER

CONNECT THE INTERFACE · BLUETOOTH Cressi App AppStore (iOS) PlayStore /App Gallery (ANDROID)

see page 8/9

ENTER
SCROLL TO CHANGE UNITS

MAX DEPTH HISTORY

HOURS IN USE COUNTER

8

INFO

HIGH SPEED ASCENT ALARM

TISSUE ERASE

SERIAL NUMBER

FIRMWARE VERSION

NUMBER OF BATTERY CHANGES

ENTER
SCROLL TO CHANGE ON/OFF ALARM SPEED
RETURN
! An ascent at too high speed increases the risk of decompression sickness! This function is strictly reserved for instructors who take full responsibility for the disactivation of the high speed ascent alarm (AL.SP). In any event, when activating this function the computer will show a barred speaker icon during the entire dive.

ENTER

RETURN

SCROLL TO CHANGE

NO / YES, AND PUSH FOR 5 SEC.

TO ERASE THE TISSUE

! If you decide to erase the tissue nitrogen saturation using the

T.ERASE function,the computer

will not be able to calculate

any successive dives in relation

to nitrogen saturation! In any

event, do not use this function if

48 hours have not passed since

the last dive.

9

LOGBOOK MENU

( ) AIR MODE

SAFETY (Page 1) DIVE

FACTOR

TIME

( ) NITROX MODE

SAFETY (Page 1) DIVE

FACTOR

TIME

( ) GAGE MODE
(Page 1) DIVE TIME

MAX DEPTH AVG
DEPTH
SCROLL

TEMP.

PPO2 (Page 2) MODE

MAX DEPTH

AVG DEPTH

SCROLL

TEMP.

PPO (Page 2) O2% 2

MAX DEPTH

AVG DEPTH
SCROLL (Page 2)

TEMP.

SCROLL
TIME
10

PRE DIVE MENU AIR
PPO MAX MODE 2

NITROX PPO MAX O2% GAS 1
GA2S 1

GAGE
MAX DEPTH DIVE TIME (MIN.)

PPO MAX NO DECO

2

DEPTH

TIME

PPO MAX GAS

2
DEPTH GAS 1

INDICATOR

DEPTH DIVE TIME (SEC.)

11

DIVE MENU
AIR
MAX DEPTH DIVE TIME (MIN.)

DEPTH TEMP.

NO DECO TIME/ TOTAL

ASCENT TIME

SCROLL

(Page 2)

PPO MAX / 2
PPO DEPTH MAX MODE 2

TIME 12

NITROX
MAX DEPTH DIVE TIME (MIN.)

DEPTH TEMP.
SCROLL (Page 2)

NO DECO TIME/ TOTAL ASCENT TIME
02%

MODE TIME

MAX DEPTH

GAGE
DIVE TIME (MIN.)

POST DIVE
AIR SURF TIME DESAT TIME
COUNTDOWN

NITROX
SURF DESAT TIME TIME COUNTDOWN

DEPTHAVG DEPTH

TEMP.

DIVE TIME (SEC.)

SCROLL

TIME

MODE

MAX NO FLY DIVE DEPTH TIME TIME
COUNTDOWN

MAX NO FLY DIVE DEPTH TIME TIME
COUNTDOWN

SWITCH OFF AUTOMATICALLY IN 10 MIN.

13

BATTERY
LOW BATTERY (YOU SHOULD CHANGE THE BATTERY SOON)

YOU MUST CHANGE THE BATTERY
(DIVE FUNCTION IS DISABLED)
14

The battery capacity guarantees operation that goes far beyond the guarantee time. If the watch is opened before 2 years from the date of purchase, the warranty is void.

Note:

REV. 02_2023_P.P.1975

Via G. Adamoli, 501 - 16165 GENOVA - ITALY TEL. +39 010 830.79.1 - FAX +39 010 830.79.220
info@cressi.com - www.cressi.com



References

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