This accessory is battery powered, designed to operate reliably for
ten years under normal use conditions. There are no user
serviceable or replaceable parts which includes the fitted battery
• The RTH is equipped with two non-latching buttons, one for
Hush and other for test.
• This unit transmits upon pressing either the test or hush button
however it has an in-built safety delay time of 4 seconds where
the unit will not transmit after a button has been released
• This unit has a in-built maximum continuous transmit time of
36 seconds as a safety feature if either button is continuously
pressed
To avoid excessive operational drain on the battery avoid situa-
tions where the button(s) are pressed and held depressed (such as
by objects left on the device). This will seriously reduce the serv-
ice life of the battery.
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