Montage: Enlarge on alarm

[HomeServer]

ZM 1.24.2 on Ubuntu 10.04

I've set up the Montage page to start automatically when the PC reboots, but how do I set the default Montage output to be '3-wide grid, scaled, enlarge on alarm' ?

[HomeServer]

In which file is the

'3-wide grid, scaled, enlarge on alarm'

drop down box located?

I want to make this the default option.

[HomeServer]

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