11
The operation panel will emit a sound
when any button is pushed. This sound
can be muted if it is desired.
1
How to Use
Muting the Operation Panel
* Initial factory setting is with sound
Sound
Muted
No sound
after 5 sec.
1
Hold the Power On/Off
Button for five seconds.
Tone sounds
after 5 sec.
• The flow meter alarm cannot be muted.
• The high temperature warning tone when setting the unit to 55°C (131°F) or higher will not emit
a sound when muted.
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