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ATOM 3.0 OPERATING MANUAL
© 2002 Design, 2011 Doc. No. 12-5216-r02 (9/6/11)
TRANSMITTER SIGNAL RECEPTION GUIDE
BEST
Reception
Area
Poor
Reception
Area
Poor
Reception
(when greater than 4 feet/1.2 meters)
Poor
Reception
Area
Poor
Reception
Area
Poor
Reception
Area
NORM DIVE MODE STRUCTURE
DIVE
MAIN
M
S
A
L
2 sec
< 2 sec
closure
GAS/TMT
Switching
Backlight
2 sec
DS Preview
Safety Stop
Main
Deep Stop
Main
A
< 2 sec
ALTs
A
< 2 sec
ALTs
ALTs
at
5 FT (1.5 M)
for 5 sec
at
2 FT (0.6 M)
for 1 sec
Surface Mode
Dive Mode
< 2 sec
ack Alarms
PROXIMITY of the TMTS (Transmitters) to the ATOM 3.0
The TMTs emit low frequency signals that radiate out in semicircular patterns parallel to the length dimension of the TMT. A coiled
antenna inside the ATOM receives the signals when it is positioned within a zone parallel to or at a 45 degree angle to the TMT
as illustrated.
The ATOM cannot effectively receive a signal when it is held out to the sides of the TMT or held at distances greater than 4 feet
(1.2 meters) in front of the TMT. Best reception is achieved when the ATOM is within 3 feet (1 meter) of the TMT.
When installed into the high pressure ports of the Regulator First Stages, the TMTs must be positioned so that they face horizon-
tally outward from the Tank Valves.
Link Interruption Underwater
During a dive, you may at times move the ATOM out of the signal pattern of the TMT, resulting in a temporary loss of the Link
signal. The Link will be restored within 4 seconds after the ATOM is moved back into its correct position.
An interruption may also occur while the ATOM is within 3 feet (1 meter) of a running DPV. The Link will be restored within 4
seconds after the ATOM is moved out of that area.
A temporary interruption may also occur shortly after a Strobe flashes. The Link will be restored within 4 seconds.
If the Link is not restored within 15 seconds, the Audible will sound, and the Pressure value and Link icon will flash (Fig. 82).
Fig. 82 - LOST LINK