10
CONTROL FUNCTIONS
POWER SWITCH
Power meter mode
Measures the RF power of both the 121.5 Mhz. or the 406 Mhz. to 406.1 Mhz.
transmitters
Field strength mode
Measures the relative RF field strength being radiated from the antenna for both
the 121.5 Mhz. and 406 Mhz. to 406.1 Mhz. transmitters
FUNCTION SWITCH
On startup
Selects new tests or review previous tests
Selects either continuous 121.5 Mhz. field strength mode or 121.5 and 406 – 406.1
normal mode
Selects to continue test group, or clean memory of previous test results
Used to select the operating frequency of the 406 Mhz. to 406.1 Mhz. ELT
On receiving a signal on 121.5 Mhz.
In continuous field strength mode, selects numeric or bar graph display mode
In normal mode toggles display between the status page, measurements page, and
Field strength ready page.
In field strength mode while receiving a signal on 121.5 with the ready page displayed,
will mute or unmute the 121.5 audio
On receiving a signal on 406 Mhz. to 406.1 Mhz.
Toggles display between the following in order
Identification / location page
To Next Page
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