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Menus for changing digital number size.
To change any of these options, press MENU DOWN until CHART SETUP
appears, then press UP ARROW. Use the MENU keys to cycle through the
list and display the desired menu, then use the ARROW keys to select
the desired number size or turn the numbers off. Press the PWR key to
clear the menus.
SCALES
The depth scale between the upper and lower limit on the right side of
the screen can be turned on or off. The default is on.
Scales menu, with scale on (left) and off (right). With the scale off, only
the upper and lower limits (zero and 60 in this case) are displayed
To turn the scale off, press MENU DOWN until CHART SETUP appears, then
press UP ARROW. Press MENU DOWN until SCALES appears, then press DOWN
ARROW to select UPPER LOWER ONLY. Press the PWR key to clear the menus.
To turn scale on, press MENU DOWN until CHART SETUP appears, then press
UP ARROW. Press MENU DOWN until SCALES appears, then press UP
ARROW to select SHOW INTERMEDIATE. Press the PWR key to clear the menus.