Chapter 2 - Installation
Single Room Environment
Place the GSI 61 on the desk or table where it will be used. The location should
be near a grounded electrical outlet which is needed to accommodate the GSI 61 power
cord. Allow a minimum of 2 inches of clearance around the GSI 61 for heat
dissipation.
a. Refer to Rear Panel Figure, page 2-2. With the LCD panel in the down
position to allow access to the rear connector panel, connect the following.
• Test microphone/ monitor headset
• External A and External B (if used)
• Power cord for the CD player (if used)
• Patient talk back microphone
• Test headset - red right ear phone, blue left ear phone or the cables
for the optional High Frequency phones
• Insert ear phones (optional)
• Bone vibrator
• Patient response handswitch
• Speakers
• Printer
b. To connect the optional high frequency earphones, see the figures on
page 2-23.
c. Plug the power cord into a grounded outlet.
d. Turn the unit on and observe that the GSI 61 is receiving power.
(The small Monitor Power LED on the front panel is illuminated).
The unit is initialized to Tone, Phone, Right, 0 dB HL, 1000 Hz Channel 1;
and Narrow Band Noise, Phone, Left, -10 dB HL, Channel 2.
e. Test all of the input and output transducers that will be used during testing
to verify that the signals and communication functions are operating properly.
Two Room Installation
Place the GSI 61 on a desk or table where it will be used. The location should
be near a grounded electrical outlet which is needed to accommodate the GSI 61
power cord. Allow a minimum of 2 inches of clearance around the GSI 61 for
heat dissipation.
a. Connect the patient response handswitch, the headset, bone vibrator, and optional
insert phone(s) to the connector panel on the inside of the sound room.
b. Mount the Talkback microphone in the sound room using the hardware provided.
The microphone is usually mounted just above the window frame.
Pass the microphone plug through the grommet hole in the jack panel and connect
directly to the talk back microphone jack on the GSI 61 rear panel (R3).
2-27
1761-0100 Rev. B
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