2830A THREE DIVER COMMUNICATOR USER MANUAL
2830A-UM
REV 5.0
7
4 TENDER AND DIVER CONTROLS AND CONNECTIONS
Before using the AMCOM III series diver communications system, you should familiarize yourself with
its operating controls and connections. Improper use of controls and connections will deprive the user
of the full benefits of this communication system. We strongly recommend the tender read FULL
DUPLEX (4-WIRE)
–
WHAT, WHY AND HOW located in section 7 of this manual.
4.1
TENDER AND DIVER CONTROLS
4.1.1
POWER SWITCH
–
This switch controls power to the unit.
4.1.2
SPEAKER SWITCH
–
This switch allows the tender to turn off the speaker. If the
tender is using a headset, it may be necessary to turn off the speaker in order to
prevent acoustic feedback.
4.1.3
PUSH-TO-TALK BUTTON
–
This button allows the tender to talk to the diver when
operating in the 2-Wire mode. It is not necessary to use this control in the Full
Duplex (4-Wire) mode. When using Full Duplex mode, this control allows the
tender to interrupt the diver by forcing the diver into listen only mode.
4.1.4
TENDER TO DIVER VOLUME
–
This control sets the volume for the diver's
earphone. Rotate this knob clockwise to increase the volume.
4.1.5
DIVER TO TENDER VOLUME
–
This control sets the volume for the tender's
earphone and/or panel speaker. Rotate this knob clockwise to increase the volume.
4.1.6
PANEL SPEAKER
–
A waterproof, acoustic horn speaker that allows the tender to
listen to the divers. The volume level is controlled by the EARPHONE VOLUME
control and it can be turned off using the SPEAKER SWITCH.
4.1.7
BATTERY CONDITION INDICATOR
–
A steady GREEN light indicates battery
charge level is good. Blinking GREEN light indicates battery charge level is at a low
level with less than 3 hours of running time available. Steady RED light indicates
battery charge level is below the level necessary to guarantee proper operation.
WARNING: When BATTERY CONDITION INDICATOR is steady RED light, the
batteries should be replaced or recharged immediately.
4.2
TENDER CONNECTIONS
4.2.1
TENDER HEADSET JACK
–
This is the dual banana jack (color-coded black) that
functions as both an output (earphone) and input (microphone) for the tender as
controlled by the PUSH-TO-TALK BUTTON and PUSH-TO-TALK JACK. Using this
connection, the tender can be wired in either 2-Wire or Full Duplex (4-Wire) mode
regardless of the mode used for the diver.
To connect the tender in the Full Duplex (4-Wire) mode, connect the earphone
(black) banana plug of the headset to this jack and the microphone (red) to the
TENDER MICROPHONE jack (red) as shown in the wiring diagram in section 4.9.
In this mode, the tender does not have to use the PUSH-TO-TALK BUTTON to
communicate with a diver who is also connected in the Full Duplex (4-Wire) mode.
This configuration can be used even if the diver is connected in 2-Wire mode. In