7. Maintenance
7-2. Maintenance (regular maintenance) mode
33
<Regular Maintenance Mode>
User mode
Press the SET button
in "1-3. M MOD".
Then press the SET
button again for about
three seconds.
2-0.GAS TEST
Perform an alarm test
in 2-01.
2-1.ZERO
Perform the zero
adjustment.
2-2.SPAN
Perform the span
adjustment.
(long pressing)