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To my knowledge, operators in CASA and NZ land are not (yet) authorised to takeoff or land with these things ON or in Standby.
I thought that it was the operator who called the electronic device shots, NOT the regulator. It might be not permitted in your airline, but only because your airline has said so.
Both CASA and NZ have indicated that they are relying on the FAA regulations and testing, and there it's the
Operator that determines whether there is any interference and whether it can be used for take-off or landing.
Here's the FAA circular
http://www.faa.gov/other_visit/aviat.../InFO11011.pdf
And here's the FAA regulation
Sec. 91.21
Portable electronic devices.
(a) Except as provided in paragraph (b) of this section, no person may operate, nor may any operator or pilot in command of an aircraft allow the operation of, any portable electronic device on any of the following U.S.-registered civil aircraft:
(1) Aircraft operated by a holder of an air carrier operating certificate or an operating certificate; or
(2) Any other aircraft while it is operated under IFR.
(b) Paragraph (a) of this section does not apply to--
(1) Portable voice recorders;
(2) Hearing aids;
(3) Heart pacemakers;
(4) Electric shavers; or
(5) Any other portable electronic device that the operator of the aircraft has determined will not cause interference with the navigation or communication system of the aircraft on which it is to be used.
(c) In the case of an aircraft operated by a holder of an air carrier operating certificate or an operating certificate, the determination required by paragraph (b)(5) of this section shall be made by that operator of the aircraft on which the particular device is to be used. In the case of other
aircraft, the determination may be made by the pilot in command or other operator of the aircraft.