Garmin echomap 40 series Pilot's Manual - Page 18

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Also for Garmin echomap 40 series: Installation Instructions Manual (15 pages), Owner's Manual (32 pages), Declaration Of Conformity (1 pages), Owner's Manual (30 pages), Owner's Manual (50 pages)

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Appendix

System Functions

Intcom Lvl

100

Intercom Level

Sidton Lvl

100

Lo Dsp Lvl

Hi Dsp Lvl

Low and High Display Levels

Intercom Level

This function adjusts the Intercom Audio Level. Turn the Small knob to change the value. The range

is from 0 to 255. Setting the value to 0 slaves the sidetone level to the volume control knob.

Sidetone Level

This function displays and adjusts the sidetone audio level. Turn the Small knob to change the value.

The range is from 0 to 255. Setting the value to 0 slaves the sidetone level to the volume control knob.

As it arrives from the factory, the SL40 automatically adjusts its display brightness for the current

lighting conditions. A small sensor at the upper left of the display is used for this function. There are

two adjustments available for controlling the brightness level of the display. The ﬁrst controls the lower

brightness level in the automatic adjustment range (Lo Dsp Lvl). This is the brightness used when in total

darkness. The second adjusts the upper limit of this range (Hi Dsp Lvl). This is used when bright light is

shining on the display.

The factory settings for these are at the limits of the range, 0 (Lo Dsp Lvl) and 50 (Hi Dsp Lvl). The

range can be reduced if desired using the inner knob to adjust the two values.

Some users may wish to disable the automatic dimming function. This can be accomplished by set-

ting the high display level to zero. Now the low level adjustment will set the brightness of the display

directly with no automatic adjustment made based on ambient light.