2830A THREE DIVER COMMUNICATOR USER MANUAL
2830A-UM
REV 5.0
12
4.6.3
DEPTH CONTROL
–
Selects the amount of frequency correction performed by the
HSU to produce intelligible speech. This control uses a multi-turn potentiometer
and is equipped with a turn counting knob and lock. Once the desired setting is
reached, the lock can be used to prevent accidental changes to this control.
4.6.4
NOISE REDUCTION FILTER
–
The Noise Reduction Filter (NRF) uses a complex
Digital Signal Processor algorithm based on a statistical-model of human voice
activity to capture the background noise a
nd reduce it without affecting the divers’
speech. The noise level can be reduced by up to 17 dB.
4.7
OPTION CONTROLS: WIRELESS TENDER, /28A OPTION
This option is mounted in the right hand side of the front panel. This Wireless Tender Option
is for four-wire (Full Duplex) operation only. System comes standard with a remote wireless
tender module.
4.7.1
WIRELESS OPTION PANEL
–
Comes standard with antenna and power on/off
switch. The “ON/OFF” switch powers the wireless PC card inside the
communicator. The antenna has a swivel and tilt that allows the antenna to be
folded down during shipment. For operation, the antenna should be pointing
upwards. For installations where the Diver Communicator is located inside a
structure, there is an optional Remote Antenna kit available. This kit allows the
antenna to be located outside the structure for maximum effective range.
IMPORTANT
: When the wireless option is not used, turn the option panel switch to
“OFF”. When option panel switch is turned “ON”, the wireless remote should
be
“ON”. Otherwise a static noise may be heard through the communicator’s panel
speaker as it scans for available Remote Wireless Tender.
4.7.2
REMOTE WIRELESS TENDER MODULE
–
This module comes standard with an
internal rechargeable battery. Headset and external 110V charger jacks are located
on remote module.
4.7.3
ON/OFF-VOLUME CONTROL
–
Adjusts the listening volume and turns the unit
“OFF” when it is turned completely upwards.
4.7.4
TALK PUSH BUTTON
–
This button is located on the top of the unit and is labeled
TALK. When i
t’
s first turned on, the Remote Wireless Tender Module is in Standby
Mode (listen only) as indicated by the LED closest to the button being red. When
the button is pressed, the Remote Wireless Tender Module
is in “Talk Mode” (listen
and talk, full duplex) and the LED is green. Pressing the TALK button toggles
between the two modes. Multiple Remote Wireless Tender Modules can be in the
Standby (listen only) mode at the same time. Only one module can be in the talk
mode.
4.7.5
HEADSET JACK
–
Located on the side opposite to the ON/OFF-Volume Control.
Plug the remote wireless headset to this Jack.
4.7.6
CHARGE JACK
–
Located on the side next to the ON/OFF-Volume Control. Plug
the remote wireless charger to this jack.