User's Manual

Table Of Contents
There are two different pressure regulators, depending on the cylinder connection: CGA 973 and UNI 4410.
USB cable
The USB cable is used to connect the K5 unit to the PC, for downloading tests or for use the device in laboratory mode.
Earphones
The earphones are used for communicating with the subject in outdoor telemetric applications.
O
2
sensor
The O
2
sensor (included in the packaging as a spare part) must be installed by the user before starting using the device, and it must be replaced
periodically when exhausted. It measures the O
2
concentration in the gas sampled by the device.
Power supply
The power supply AC/DC adapter allows the usage of the device without batteries or while the batteries are charging.
22 - Getting started - System overview