DeLorme Earthmate PN-60 User Manual page 82

allow.the.device.to.be.powered.by.a.USB.port.on..
your.computer..Select.Off.if.you.don't.want.to.
allow.USB.power..
To view memory use
You.can.view.how.much.space.is.available.on.the.device's.
internal.memory.or.an.SD.card.in.the.device.
From.the.Settings.Page,.go.to.System > Memory Use.
to.view:
 Internal.memory.use .
 SD.card.memory.use .
 The.number.of.waypoints/geocaches,.tracks,.and. .
routes.open.on.the.device.
 The.device's.total.capacity.for.storing.waypoints/ .
geocaches,.tracks,.and.routes.
The.Settings.Page
80
Display
Use.the.Display.options.to.update.the.device's.color.
scheme.and.backlight.settings.
To change display settings
From.the.Settings.Page,.select.Display,.and.then.select.
the.option.you.want.to.change.
 Color Scheme–From.the.drop-down.list,.select.
the.color.scheme.(Light,.Dark,.or.Midnight).
Note..The.Midnight.option.uses.the.Dark.color.
scheme.with.a.high-contrast.map.
 Use Midnight at Sunset–Select.this.check.box.to.
automatically.switch.to.the.Midnight.color.scheme.
between.sunset.and.sunrise.
 Allow Screen Rotation–Select.this.check.box.if.you.