The first step in setting up and using your dive computer is?

The first step in using your dive computer is ❑ setting the time and date. reading the manufacturer's instructions. calibrating it for enriched air nitrox. setting it for fresh or salt water.

1. When planning a dive with a computer I use the?
2. When diving with a computer it is recommended that I?
3. When using a dive computer I should ascend go up at a rate not faster than?
4. When planning a dive with a computer I use the plan or no stop scroll mode to determine?
5. What is a scuba first stage?
6. What is the first thing I should do with an injured diver at the surface?
7. What is repetitive dive?
8. What happens if there is no display on your dive computer when checking your equipment before a dive?
9. How fast should you ascend when diving?
10. What is NDL diving?
11. What is the difference between 1st stage and 2nd stage regulators?
12. What dive profile would we use when planning our dive?
13. What is the difference between DIN valves and yoke valves?

When planning a dive with a computer I use the?

Refer: Using Dive Computers and Tables I – Planning Dives with Your Computer. With most dive computers, you scroll depths in 3meters increments, displaying maximum time allowed per depth. Thus, you plan dives with your dive computer by activating it and scrolling the no stop limits.

When diving with a computer it is recommended that I?

Answer: A - depth, time

The deeper and longer we stay the more nitrogen will be dissolved into our tissues. That is why you should always dive with a dive watch or even better a diving computer as it tracks your nitrogen exposure, depth, and time.

When using a dive computer I should ascend go up at a rate not faster than?

A diver should ascend most slowly from his safety stop to the surface, even more slowly than 30 feet per a minute. Nitrogen in a diver's body will expand most quickly during the final ascent, and allowing his body additional time to eliminate this nitrogen will further reduce the diver's risk of decompression sickness.

When planning a dive with a computer I use the plan or no stop scroll mode to determine?

Before you dive with a computer, you need to read the manufacturer's dive computer manual. ... See Using Dive Computers and Tables I - Planning Dives with Your Computer. 42: When planning a dive with a computer, I use the "plan" or "no stop scroll" mode to determine. A the maximum depth of the previous dive.

What is a scuba first stage?

The first stage of your scuba regulator, which is the part that attaches to your dive tank, takes the air from the dive tank and reduces the pressure to an intermediate or working pressure. ... The second stage further reduces the pressure to a breathable pressure, allowing you to breathe comfortably underwater.

What is the first thing I should do with an injured diver at the surface?

What is the first thing you should do with an injured diver at the surface? Make the diver float and check to see if the diver is breathing. Imagine you accidentally get tangled in something.

What is repetitive dive?

repetitive dive means any dive made by a diver within a 12 hour period of a previous dive by that diver or when excess residual inert gas is still present in the body tissues of that diver as a result of a previous dive.

What happens if there is no display on your dive computer when checking your equipment before a dive?

Dive computers are rapidly becoming an integral part of recreational Scuba diving equipment, and most divers will seldom dive without one. ... If the computer malfunctions, and you are only diving an NDL (No Decompression Limit) profile, and you know that you are well within your NDL, simply abort the dive.

How fast should you ascend when diving?

You should never exceed an ascent rate of 10m/minute when diving shallower than about 30m. . An ascent rate of 5-6 metres per minute is recommended in the last 10m of ascent. Complete safety stops on all dives that exceed 10m depth. Safety stops assist with reduction of excess nitrogen, which reduces the risk of DCI.

What is NDL diving?

The no decompression limit (NDL) is the maximum allowable dive time that you can remain at a specific depth and ascend directly to the surface without requiring staged decompression stops on the way up. Remember the higher the partial pressure of nitrogen (ppN₂), the shorter the dive time (NDL).

What is the difference between 1st stage and 2nd stage regulators?

The first stage regulator is the part of the regulator assembly that attaches to the cylinder. ... The second stage regulator is the device that you breathe from. The purpose of the second stage is to further reduce the pressure of the gas you are going to breathe to equal the surrounding pressure.

What dive profile would we use when planning our dive?

We plan to dive to 18 metres/60 for 30 minutes. What dive profile would we use when planning our dive? General rule as printed on the RDP Table and eRDPML is that if planning a dive in cold water or under conditions that might be strenuous, plan the dive assuming the depth is 4 meters/10 feet deeper than actual.

What is the difference between DIN valves and yoke valves?

First, what is the difference between them? The yoke is a clamp-type mounting, which is placed over the tank valve and then tightened into place. The DIN is a threaded valve, wherein you screw the regulator into the tank valve. ... On the DIN, it is placed on the regulator first stage.