CMS-4 IN-HELMET CARBON MONOXIDE MONITOR
Page 11
© 2019 CLEMCO INDUSTRIES CORP.
www.clemcoindustries.com
Manual No. 29872
any alarm indications. The monitor must be in measuring
mode before it is placed in the respirator.
WARNING
The CMS-4 is not operational as a carbon
monoxide monitor unless it is Measuring Mode.
The monitor must be in Measuring Mode before
it is placed in the respirator. Failure to ensure
the monitor is in Measuring Mode can result in
death if carbon monoxide is present.
4.1.1 Entering Measuring Mode
4.1.1.1
Make sure the monitor is OFF. (Press and hold
POWER/MODE until the screen is blank.)
4.1.1.2
Turn on the monitor by pressing and holding the
POWER/MODE button until the alarm beeps.
4.1.1.3
After the warm-up sequence, the monitor goes
into Measuring Mode (normal operating mode) when the
alarm beeps and the LCD screen is as shown in Figure
12 and indicates the current gas concentration. After an
initial calibration per Section 5.7, the CMS-4 is ready for
monitoring.
Figure 12
4.2
USER MODE
‒ User Mode is used to do bump
tests, calibrate the monitor, and make minor screen
adjustments used primarily to calibrate the monitor.
WARNING
The CMS-4 is not operational as a carbon
monoxide monitor while in User Mode. The
monitor must be in Measuring Mode before it is
placed in the respirator. Failure to ensure the
monitor is in Measuring Mode can result in
death from carbon monoxide poisoning.
4.2.1 Entering User Mode
Begin with the monitor OFF.
4.2.1.1
Press and hold the AIR button, then press and
hold the POWER/MODE button. Release both buttons
as soon as the monitor beeps.
4.2.2 Tips for Using User Mode
To scroll from one menu item to the next, press
AIR and release it as soon as the alarm beeps.
To reverse the scroll direction:
a.
Press and hold AIR.
b.
Immediately press POWER/MODE and then
release both buttons.
4.2.3
To cycle through each of the user mode menus,
press POWER/MODE and release it as soon as the
alarm beeps
4.2.4
The first screen to appear will be
BUMP
, as
shown in Figure 13.
Figure 13
Refer to Section 5.6 to perform a bump test.
4.2.5
To scroll to the next menu item (GAS CAL),
press and release POWER/MODE. Continue to press
and release POWER/MODE to scroll through every
menu item.
4.2.6
Refer to the table in Figure 14 on the following
page for a sequential list of the items found in User
Mode, the page that the menu item’s instructions can be
found on, and a short description of the menu item.
4.2.7
Display Firmware Version.
4.2.7.1
Enter User Mode, per Section 4.2.1.
4.2.7.2
Press and release AIR and scroll to ROM/SUM.
4.2.7.3
Press and release POWER/MODE. The screen
will cycle through the boards and display the ROM as
the top value and SUM as the bottom value.
Gas
Battery Icon
Current Gas (CO)
Concentration
Time
LCD Window
CO
0
12:34
ppm
Heart Symbol
Pulses, indicating the
monitor is in normal
operating status.
BUMP
