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Fig. 5
Fig. 6
Four-Wire Operation Instructions: While in the Four-Wire configuration,
the Tender and Divers can communicate freely without the need to press
any buttons.
Diver Pre-Amp: Do not connect non-powered earphone / microphone
assemblies when the pre-amp is activated. Doing so will damage the
earphone / microphone assembly. To turn on the Diver Microphone Pre-
Amplifier, press and hold the Diver Pre-Amp button for 5 seconds. When
the Pre-Amp is activated, a blue ring light around the button will activate.
Turning on the Pre-Amplifier is required if the divers are using powered
microphones. You cannot connect a combination of Powered and Unpowered
microphones while the Pre-Amplifier is on. Doing so may cause damage
to an unpowered microphone.
4.1.2
TOPSIDE CONTROLS
Topside Mic Volume: Adjusts the volume of both the panel and headset
microphone.
Speaker Volume: Adjusts the volume of both the panel mounted speaker and
the headset earphones. Pressing on the knob will turn on and off the panel
mounted speaker and the connected LED, but not the headset earphones.
Push-To-Talk: WARNING: pressing the push-to-talk button could shock
the divers in the event that the diver microphone mounting screws are in
direct contact with the diver's mouth. Ensure that the microphone is placed
away from the Diver's mouth or the screws are insulated with a rubber boot.
14
506279-000
REV. A
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