Set Breath Hold Time - Micro Direct CO Check Pro Operating Manual

The first option is highlighted. To select 'Environment Mode', press the
Function key
the Select Function key
The 'Environment Mode' screen will appear and the options are 'On', 'Off'
and 'Exit'. The current setting will be highlighted. Select the preferred
option and press Select Function key
and the display will go back to the 'User Menu' screen.

Set Breath Hold Time

To enter the 'User Menu', press the ON/OFF Power key
Function Key
menu appears.
The first option is highlighted. To select 'Breath Hold Time', press the
Function key
the Select Function key
If the environment mode is turned on, you can set it for an additional five
seconds or none. This allows the subject to hold their breath while the
device counts down for 10 seconds to sample the environment CO level
then an additional 5 seconds for a total of 15 seconds prior to exhaling. If
the subject can only hold their breath for 10 seconds, none would be
selected.
If environment mode is turned off, the minimum breath hold time
that can be set is 10 seconds.
Press the Select Function key
the times, then press the Select Function key
until 'Environment Mode' is highlighted. To select, press
for at least 3 seconds to confirm.
simultaneously. Do not release the key until the user
User Menu
Calibrate
Environment Mode
B r e a t h
B r e a t h
B r e a t h
Set Light colors
Exit
until 'Breath Hold Time' is highlighted. To select, press
for at least 3 seconds to confirm.
for at least 3 seconds to confirm
H o l d T i m e
H o l d T i m e
H o l d T i m e
momentarily (<0.5S) to scroll through
11
and the Select
again for at least 3