Amron AMCON II 2825R Series, User Manual, Page: 20 / 36

2825R-XX SERIES TWO DIVER RACK
MOUNT COMMUNICATOR USER MANUAL
282XR-UM REV 5.0
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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 changes all
divers to listening mode and tender in talking mode.
4.5.2 Cross Talk Switches
The cross talk switches allow conversations from diver to diver in the two wire
mode. Cross-talk between divers must be tender operated via the cross-talk
switches. Cross-talk DV 1 to DV 2 allows diver 1 to speak to (but not hear) diver 2.
Cross-talk DV 2 to DV 1 allows diver 2 to speak to (but not hear) diver 1. The
tender will hear conversations on speaker or headset.
4.5.3 Diver On/Off Switches
Depressing the appropriate On/Off switch, located beside the cross-talk switch, will
cut off that diver's microphone and earphone as long as it is depressed. The switch
is spring loaded and will automatically reconnect when the switch is released.
4.6 Volume Controls (4-Wire)
Turn power switch to ON; turn speaker switch to OFF; adjust both volume controls to mid-
scale. Tender to use headset. Tender and Diver talk to each other during Tender adjusting
volume controls as below:
NOTE : 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.
TENDER TO DIVER

Tender talks and divers determine a comfortable listening level, having the
tender adjust as needed.
DIVER TO TENDER

While diver is talking, tender adjusts this volume control to a comfortable
hearing level.
Connect d
iver 1’s
umbilical to the Diver 1 input. Repeat for diver 2.
Connect tender headset earphones to Headset (input), and headset microphone to Tender
Microphone (input). Turn speaker off to avoid acoustic feedback. Operation with speaker is
possible by extending tender's headset away from the speaker. Use Amron Model 2822-28
headset extension cable (25 foot).
Operating the PTT (push-to-talk) switch will establish a priority channel for communication.
PTT cuts out the diver’s microphone and prevents divers from talking.
This allows an important conversation to be carried on without interruption, or the ability to
establish a clear channel of communication.