16
•
Chapter 3: Measuring Mode
OX-04 Operator’s Manual
Chapter 3: Measuring Mode
Overview
This chapter explains how to use the OX-04 to perform confined space entry monitoring or
general area monitoring in Measuring Mode.
Start Up
This section explains how to start up the OX-04, get it ready for operation, and turn it off.
Turning On the OX-04
To illustrate certain functions, the following description of the OX-04 start up sequence assumes
that the following items in User Mode are turned on:
LUNCH
,
CAL.RMDR
,
BP.RMDR
in User
Mode, and
ID DISP
and
A.ZERO
in Maintenance Mode. If any of these items are turned off,
then the corresponding screens do not appear.
1. Press and hold POWER MODE. Release the button when you hear a beep.
2. If
LUNCH
is set to
ON
(factory setting if
OFF
, see page 63), the Lunch Break Screen
appears. The unit counts down from 5 seconds.
a. Continue
Accumulating: To continue accumulating peak readings from the last time the
OX-04 was used, press and release POWER MODE or allow the countdown to reach 0.
The short-term exposure limit (STEL) reading is reset each time the OX-04 is turned on.
b. Reset
Accumulation: To reset the accumulation of peak readings, press and release AIR
before the countdown reaches 0.
5
SEC
RESUME
5
SEC
YES .MODE
5
SEC
NO .AIR
