And controls, K^'s – Garmin GPSCOM 190 User Manual
Page 10
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GETTING
STARTED
K^'s
and
Controls
The
PAGE
key scrolls through the main data pages in sequence and
returns the display from a submenu page to a main page. It also displays
the message screen when a message alert appears.
The
ENTER
key confirms data entry and on-screen responses. This key
also activates highlighted fields to allow data entry.
The
QUIT
key returns you to a previous page, or clears data entry and
restores a data field’s previous value.
The
FREQUENCY TRANSFER
button flip-flops the active and stand
by frequencies.
The
SQUELCH
control eliminates receiver background noise and
allows only received transmissions to be heard.
The
PUSH-TO-TALK (PTT)
switch activates the GP5COM 190 trans
mitter on the active frequency.
The
BACKLIGHT
button illuminates the alphanumeric keys, arrow
keypad, and LCD Screen through four levels of backlighting (three lev
els of brightness and oil).
The
ON/OFFA^OLUME
control turns the unit on and off and adjusts
the volume level.