Standard Horizon MATRIX GX3000S Owner's Manual page 77

[ 6 ( NAV )] Key
When in radio mode, this key is used to directly select channel digit "6"
in a channel number.
Secondary use
Press the [ F ] key first then press the [ 6 ( NAV )] key, the LCD will display
NAV GPS Data, Time, SOG (Speed Over Ground), and COG (Course
Over Ground) when a GPS is connected to the accessory cable of the
GX3000S. See section "8.3 ACCESSORY CABLE" for details.
[ 7 ( SCRM )] Key
When in radio mode, this key is used to directly select channel digit "7"
in a channel number.
[ 8 ( PA )] Key
When in radio mode, this key is used to directly select channel digit "8"
in a channel number.
[ 9 ( FOG )] Key
When in radio mode, this key is used to directly select channel digit "9"
in a channel number.
[ 0 ] Key
When in radio mode, this key is used to directly select channel digit "0"
in a channel number.
Secondary use
Used to select A (alpha channels). Press the desired channel keys then
press and hold [ 0 ] key until "A" appears next to the channel number and
press [ ENT ] to select the channel.
[ CLR ] Key
Press the [ CLR ] key to cancel the menu selection and/or keypad entry.
[ ENT ] Key
Press the [ ENT ] key to enter the menu selection and/or keypad entry.
GX3000S Page 77