Amron AMCOM III 2830A/24, User Manual, Page: 22 / 50

2830A THREE DIVER COMMUNICATOR USER MANUAL
2830A-UM REV 5.0
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When the diver is wired in the 2-wire mode, the diver earphone jack can be
connected to a remote speaker to allow support personnel to hear both the diver
and tender conversation.
In 2-wire mode the tender must press the Push-to-Talk Switch to be heard. If you
are using the Amron Remote Walk-and-Talk, Model 2821-28, the tender may press
the Push-To-Talk Switch on the belt module.
5.4.2 FULL DUPLEX (4-wire) OPERATION
Connect two wires from the diver’s microphone to the Microphone (input)
Diver 1
(For model 2830A-MS, MS Connector PIN A & B). Connect the two wires from
diver’s earphones to the Earphone (output) Diver 1 (For model 2830A
-MS, MS
Connector PIN C & D). Repeat the same for divers 2 & 3.
Note: Diver microphone is louder in 4-wire than 2-wire operation.
Tender earphone is louder than divers earphones for both 2-wire and 4-wire
operation. Tender earphone is about 4 times louder than diver's earphone.
5.5 VOLUME CONTROLS
–
2 WIRE
Turn power switch to ON, turn speaker switch to ON, and adjust both volume controls to mid-
scale. Tender has to depress PUSH-TO-TALK BUTTON in order to talk to diver. Tender and
Diver talk to each other during Tender adjusting volume controls as below:

Tender
–
While diver is speaking, adjust Tender Volume Control to a comfortable level.

Diver
–
Depress the push-to-talk switch and while talking into the panel microphone,
adjust diver volume control to a comfortable level for the diver.
5.6 OTHER DIVER CONTROLS (2-WIRE MODE)
5.6.1 PTT ALL DIVERS SWITCHES
Push-to-Talk to All Divers switch is located on the left bottom corner below Power
ON/OFF Switch. This Switch allows all divers to hear the Tender, it change all
divers to be listening and tender in talking mode.
5.6.2 DIVER PTT SWITCHES (DIVER 1, DIVER 2 & DIVER 3)
Diver Push-to-Talk switches located below earphone volume control for each diver
section. PTT will allow the specific diver to hear Tender and other divers, it change
the diver to be listening and tender in talking mode
5.7 VOLUME CONTROLS (4-WIRE MODE)
The upper row of volume controls set the microphone volume, the lower row of volume
controls set the earphone volume. Tender controls are considered master controls. The
optimum settings are when controls are closely matched, with differences compensating for
differences in diver levels.
Turn unit on and adjust volume controls as follows: