
DG100 Digital Depth Gauge and Timer
6
2 Theory of Operation
Power Saving Mode
To conserve battery life, after 24 hours of inactivity the DG100 will enter “Power Saving
Mode”. To enter “Dive Mode” from “Power Saving Mode” the user must first enter
“Surface Mode” by short pressing the A-Button or B-Button.
WARNING: When the DG100 has not been used for more than 24 hours,
the automatic “Dive Mode” from immersion in 3 feet or 1 meter
of water is disabled. Place the DG100 in “Surface Mode” by
short pressing the A-Button or B-Button before diving.
Hibernation Mode
Once the DG100 is on the surface for 1 minute, the unit enters “Hibernation Mode” and
shuts down. Please note the unit is not powered off but hibernating. To activate unit and
enter “Surface Mode”, short press either the A or B Button.
Surface Mode
Once activated the unit will display Battery Health, Timer,
Imperial/Metric Indicator and Depth. From “Surface Mode” the
operations menu can be accessed by long pressing the A-Button.
Pressing the A-Button and B-Button together will switch DG100
from “Surface Mode” to “Stopwatch Mode”. Pressing the A-Button
and B-Button again will toggle the DG100 back to “Surface Mode”.
While in “Surface Mode”, long press the B-Button and the unit will
display the maximum depth and duration of the last dive.
Operations Menu
The “Operations Menu” allows the user to set brightness, max
depth alert and select imperial (feet) or metric (meters) operation.
The “Operations Menu” can be accessed only from “Surface Mode”
by long pressing the A-Button. Short press the A-Button to scroll
through the menu options and short press the B-Button to change
the setting. The menu item selected is underlined. Surface
brightness can be set to: Low, Med, and High. Max Depth can be
set to 0 – 330 feet in 3 foot increments, or 0 – 100 meters in 1
meter increments. While in max depth setting, pressing and holding
the B-Button allows the user to fast scroll through the values.
Meter/Feet can be set to FSW feet of sea water or MSW meters of
sea water. Exit Menu returns to “Surface Mode”. The bottom of the
Operations Menu displays the firmware revision and revision date.