6
MA300TS-0210
4. Preparing for measurement
(1) PACK MASTER (RO-105S) settings
Before starting the DO measurement, set and confirm the 1. Measurement mode, 2. DO display, and 3. Span calibration
method on the PACK MASTER main unit.
The set details are saved even if the PACK MASTER power is turned OFF, the batteries are removed, or the AC adapter
is disconnected. Note that the details are not saved when the oxygen sensor (WA-BRM5) is disconnected.
1. Measurement Mode (O
2
/DO) setting
Step 1. Confirm that the oxygen sensor (WA-BRM5) is connected.
Step 2. Turn the PACK MASTER power ON, and press on the Measurement Standby screen.
The mode switches to the DO MEASURE mode.
<When O
2
MEASURE is displayed>
<When DO MEASURE is displayed>
The display alternates in the following order each time is pressed.
DO MEASURE cannot be selected unless the oxygen sensor (WA-BRM5) is connected to the
PACK MASTER (RO-105S).
The mode cannot be selected when the PACK MASTER’s key lock function is enabled.
Disable the key lock function before selecting the mode. (Refer to the “Key Lock / Unlock
Function” section in the PACK MASTER Operation Manual for details on the operation.)
