Garmin IPH-A3095, Owner'S Manual

Product Updates

On your computer, install Garmin Express

™

 (

www.garmin.com

/express

). On your smartphone, install the Garmin Connect 

Mobile app.
This provides easy access to these services for Garmin

®

devices:
• Software updates
• Data uploads to Garmin Connect
• Product registration

Setting Up Garmin Express

1

Connect the device to your computer using a USB cable.

2

Go to 

www.garmin.com/express

.

3

Follow the on-screen instructions.

Diving

Dive Warnings

 WARNING

• The diving features of this device are for use by certified 

divers only. This device should not be used as a sole dive 

computer. Failure to input the appropriate dive-related 

information into the device can lead to serious personal injury 

or death.

• Make sure that you fully understand the use, displays, and 

limitations of your device. If you have questions about this 

manual or the device, always resolve any discrepancies or 

confusion before diving with the device. Always remember 

that you are responsible for your own safety.

• There is always a risk of decompression sickness (DCS) for 

any dive profile even if you follow the dive plan provided by 

the dive tables or a diving device. No procedure, diving 

device, or dive table will eliminate the possibility of DCS or 

oxygen toxicity. An individual's physiological make up can 

vary from day to day. This device cannot account for these 

variations. You are strongly advised to remain well within the 

limits provided by this device to minimize the risk of DCS. 

You should consult a physician regarding your fitness before 

diving.

• Do not dive with a gas if you have not personally verified its 

contents and input the analyzed value to the device. Failure 

to verify tank contents and input the appropriate gas values 

to the device will result in incorrect dive planning information 

and could result in serious injury or death.

• Diving with more than one gas mixture presents a much 

greater risk than diving with a single gas mixture. Mistakes 

related to the use of multiple gas mixtures may lead to 

serious injury or death.

• Always ensure a safe ascent. A rapid ascent increases the 

risk of DCS.

• Disabling the deco lockout feature on the device can result in 

an increased risk of DCS, which can result in personal injury 

or death. Disable this feature at your own risk.

• Violating a required decompression stop may result in 

serious injury or death. Never ascend above the displayed 

decompression stop depth.

• Always perform a safety stop between 3 and 5 meters for 3 

minutes, even if no decompression stop is required.

Dive Modes

The Descent Mk1 device supports five dive modes. Each dive 

mode has four phases: dive pre-check, surface display, in-dive, 

and post-dive.

Single-Gas

: Allows you to dive with a single gas blend.

Multi-Gas

: Allows you to configure multiple gas blends and 

switch gases during your dive. This mode supports one 

bottom gas, and up to five additional gases for 

decompression or backup.

NOTE: 

Backup gases are not used in no-decompression limit 

(NDL) and time to surface (TTS) decompression calculations 

until you activate them during a dive.

Gauge

: Allows you to dive with basic bottom timer features.

NOTE: 

After diving in gauge mode, the device can only be 

used in gauge or apnea mode for 24 hours.

Apnea

: Allows you to free dive with apnea-specific dive data. 

This mode has a higher data refresh rate.

Apnea Hunt

: Similar to the Apnea dive mode, but tuned 

specifically for spearfishers. Start and stop tones are 

disabled.

Dive Setup

You can customize the dive settings based on your needs. Not 

all settings are applicable for all dive modes. You can also edit 

the settings before you start a dive.
Hold 

UP

, and select 

Dive Setup

.

Gases

: Sets the gas blends.

Conservatism

: Sets the level of conservatism for 

decompression calculations. Higher conservatism provides a 

shorter bottom time and a longer ascent time. The Custom 

option allows you to set a custom gradient factor.

Water Type

: Allows you to select the water type.

PO2

: Sets the maximum partial pressure of oxygen in bars.

Alerts

: Allows you to set alerts for depth and time. You can 

enable different alerts for different dive modes.

Apnea Surf. Alert

: Allows you to set alerts for apnea surface 

intervals.

Safety Stop

: Allows you to set the safety stop duration.

End Dive Delay

: Allows you to set the length of time before the 

device ends and saves a dive after surfacing.

Backlight

: Allows you to adjust the backlight settings for dive 

activities.

Heart Rate

: Allows you to enable the wrist heart rate monitor or 

a chest heart rate monitor for dives.

NOTE: 

You can only view wrist heart rate monitor data during 

a dive. You can view chest heart rate monitor data on your 

Garmin Connect account after you complete the dive.

Double Tap to Scroll

: Allows you to double tap the device to 

scroll through the dive data screens.

Deco Lockout

: Disables the decompression lockout feature, 

which prevents too many decompression dives in a short 

time period.

Starting a Dive

1

From the watch face, select  .

2

Select a dive mode (

Dive Modes

, page 2

).

3

If necessary, select 

DOWN

 to edit the dive settings, such as 

the gases, water type, and alerts (

Dive Setup

, page 2

).

4

Select  .

5

Descend to start your dive.
The activity timer starts automatically when you reach a 

depth of 1.2 m (4 ft.).

NOTE: 

If you start a dive without selecting a dive mode, the 

device uses the most recently used dive mode.

6

Select 

DOWN

 to scroll through the data screens and dive 

compass.

TIP: 

You can also double tap the device to scroll through the 

screens.

2

Diving