54 • Chapter 5: User Mode and Calibration
04 Series for CO(-H2)
2. Press and release POWER MODE. The
SETTING
item appears.
SETTING
The
SETTING
menu has 5 items:
GAS.TIME
,
CHECK
,
CAL.TIME
,
A-CAL
, and
ESCAPE
.
1. After entering the
BUMP.SET
menu, press AIR to scroll to
SETTING
.
2. Press and release POWER MODE. The
GAS.TIME
item appears.
GAS.TIME
The
GAS.TIME
is the amount of time that the instrument is exposed to gas during a bump
test. The available choices are
30
seconds (factory setting),
45
seconds,
60
seconds, and
90
seconds.
1. After entering the
SETTING
menu, press AIR to scroll to
GAS.TIME
.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to the
GAS TIME
item in
the
SETTING
menu.
5. See “Exiting the SETTING Menu” on page 55 to return to
BUMP.SET
menu.
CHECK
CHECK
is the bump test tolerance value and is represented as a percentage of the calibration
gas concentration. It is the percentage that the bump test reading can differ from the auto
calibration value and still be considered a passed bump test. If the bump test reading differs
more, the bump test fails. The available values are
10%
,
20%
,
30%
,
40%
, and
50%
(factory
setting).
1. After entering the
SETTING
menu, press AIR to scroll to
CHECK
.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
SETTING
SETTING
GAS .TIME
CHECK
