ENERGY SUPPORT CORPORATION DTF-201, Operation Manual, Page: 15 / 34

10
4-3 Stop Procedure
Turn OFF the power supply to the oxygen analyzer.
There is no power switch on the analyzer, so turn off the
external power supply.
If operation is stopped for a short period such as 1 week or less, do not turn off the power.
If operation is stopped for a longer period, once the sample gas is replaced by ambient air,
then turn off the power.
4-4 Procedure During Operation
(1) Key Operation Method
Key operation is required to change the range and perform gas calibration when starting
up. This operation is very important, so be sure to read these instructions.
Key operation may change the oxygen analyzer output, so when using the oxygen
analyzer output signals for control purposes, always apply the control release device
before operating the keys.
Key Functions
key
…
Press this key to shift from the O
2
Concentration display to the data
setting mode, or to move toward the left digit of the setting data. The
currently changeable digit flickers.
key
…
Press this key to change the value of the set CH and the set data.
key
…
Press this key in the following cases.
*
To insert a decimal point after the flickering digit.
*
To switch to the opposite sign when the set data has a plus or minus sign.
*
To return to the O
2
Concentration display mode from the setting mode
*
To clear an error when it has occurred.
key
…
Press this key to save data in the receiver memory after changing the
value of the set CH or set data.
ENT
Stop Procedure
Turn OFF the power
O2 ANALYZER
ppm
％
O2
Vol
POWER
Key
ENT
RANGE