Section 4: Map - Garmin Sounder GPSMAP 135 Owner's Manual

To use Manual Calibration:
1. Ensure manual calibration mode is selected in the speed calibration field, if not,
O
press , highlight 'Manual Calibrate?', and press
T
2. Press . The slider bar will turn black and the calibration range bar will turn to
white.
R
3. Use the keypad to move the selector bar until the speed displayed in the 'STW'
field matches the speed of your boat. Move the bar to the left for negative values
and right for positive values.
4. When the desired speed is displayed, press
Q
5. Press to return to the sounder page.
Two options may be accessed from the sounder setup options menu: 'Manual or
Auto Calibration' (whichever one currently is not selected) and 'Restore Defaults'.
Access the options menu by pressing O , select an option, and press T .
• Setup Simulator?— This sounder page option will appear only when the unit is in
simulator mode. It allows you to define simulator speed, course, altitude, depth, and
position values. See the Getting Started Tour for more on the simulator .
O
.
T
.
SOUNDER PAGE
Sounder Setup and
Calibration
A B
A. The 'Setup Simulator?' option is included in the
options menu for each of the five main pages
when in simulator mode.
B. Each simulator data field may be modified to
display user-selected values and navigational
information.
SECTION
3
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