Patient Communication And Monitoring; Talk Forward; Talk Back; Assistant Monitor - Interacoustics AC40 Manual De Instrucciones

AC40 Instructions for Use - EN

3.3 Patient Communication and Monitoring

3.3.1 Talk Forward

Talk Forward is activated by the "Talk Forward" button (24). AC40 contains three microphone connectors
which will work in the following priority (depending on which one(s) is connected):
•
Priority 1: The mini jack in the left side of the instrument – can be used with a headset together with
the headphone connector. This has the first priority.
•
Priority 2: The swan neck microphone (1) of the AC40 is located above the "Talk Forward" (24)
button. If no mic. is connected to the priority 1 mic., this with be used.
The image below will be shown while the talk forward is active (by hold the button down) where the
calibration (gain) level and intensity level for patient communication can be adjusted. To change the
calibration level the clinician would adjust the HL dB dial (57) to the appropriate level. To adjust the
Intensity level the dial in channel 2 (58) would be used.

3.3.2 Talk Back

The operator may use Talk Back (38) in one of the following ways:
•
If no headphone is connected to the Talk Back (left side connector), the voice is wired through
the Talk Back speakers next to the display (2)(3).
•
If a headphone/headset is connected to the instrument, talk back will come through this instead.
To adjust the TB level, hold down the TB button and use left/right totary wheels to adjust the level.

3.3.3 Assistant Monitor

There is always a direct connection through the goose neck microphone to the assistant wearing a
headset connected to the "Assistant Monitor" output.

3.3.4 Monitoring

Monitoring of channel 1, 2 or both channels together is available by selecting the "Monitor" button (52)
once, twice or three times. Selecting it a fourth time will switch off the monitoring function again. To adjust
the monitor levels, hold down the monitor button and use left/right totary wheels to adjust the level.
Selecting desired way of listening:
The monitor signal will be available through the monitor headset if connected, the internal monitor
speaker, or through the power monitor output driving an external speaker.
Page 7