"一括"　means everything, all, across the board so I assume that means all on and off.

One can "Activate" and "deactivate" all of the mechanical concerns.

http://www.freepatentsonline.com/5765554.html
It also overrides the clinician's selection to activate all of the alarms when the ventilator 12 is activated for the safety of the patient and to insure that there is the maximum of alarm protection where the patient is undergoing mechanical ventilation.

[DOC]
Electrical Lab Safety Devices - SECTION 16850 - LABORATORY SAFETY ...
File Format: Microsoft Word - View as HTML
All Products and Devices for a complete Laboratory Safety Device System ... provide low voltage integration wiring to connection point of mechanical .... shall deactivate all output circuits while sending alarm and activating purge fan. ...
www.isimet.com/.../SPECS_ELECT_LAB_SAFETY_DEVICES.doc - Similar

http://www.justanswer.com/questions/2j91m-i-have-a-1995-volv...
Deactivate:
Turn the red button so that the arrow points across the belt tensioner (A)

Activate:
Turn the red button so that the arrow points straight ahead in the direction of the belt tensioner (B).

just a guess without further context
http://jp.yamatake.com/product/ba/doc/specsheet/AS-758-R2.9....
http://www.idk.co.jp/products/hdg/control.html