Furuno NAVNET GD-1920C Operator's Manual page 197

7. CUSTOMIZING YOUR UNIT
Menu Item
OFF
MOD: AUTO MODE
GHF: GAIN – HF
GLF: GAIN – LF
SFT: SHIFT
NL: NOISE LIMITER
CLT: CLUTTER
WMK: WHITE MARKER
HUE: HUE
SLV: SIGNAL LEVEL
PA: PICTURE ADV
TG: TEMP. GRAPH
TVH: TVG – HF
TVL: TVG – LF
EOH: OFFSET – HF
EOL: OFFSET -LF
SMT: SMOOTHING
ZMR: ZOOM RANGE
BLR: B/L RANGE
TLL: TLL OUTPUT
SSR: SNDR SOURCE
DBX: D. BOX ON/OFF
CHG: CHANGE CNTRL
SAV: SAVE SCREEN
QP: QUICK POINT
MRK: MARK ENTRY
Note: To use CHANGE CNTRL, set it on all displays, with the same soft key number.
7-36
Sounder function keys
Function
Assigns no function.
Display automatic mode selection window.
Displays high frequency gain adjustment window.
Displays low frequency gain adjustment window.
Shifts range in manual operation.
Suppresses noise.
Suppresses clutter.
Sets white marker.
Sets hue.
Erases weak signals.
Sets picture advance speed.
Turns temperature graph on/off.
Sets TVG for high frequency
Sets TVG for low frequency.
Offsets echo strength for high frequency.
Offsets echo strength for low frequency.
Sets echo smoothing rate.
Sets zoom range.
Sets bottom lock range for bottom-lock display.
Outputs current position to plotter. Also inscribes
line on sounder and registers position as a
waypoint on plotter.
Selects source for sounder data.
Turns data boxes on/off.
Switches control in combination display.
Saves sounder picture to SD card.
Sets quick point (for navigation).
Enters the mark at the own ship position.
Function Key
Label
MOD
GHF
GLF
SFT
NL
CLT
WMK
HUE
SLV
PA
TG
TVH
TVL
EOH
EOL
SMT
ZMR
BLR
TLL
SSR
DBX
CHG
SAV
QP
MRK