MIDIMATE 602 & 622 Diagnostic Audiometers
7
2
Installing the MIDIMATE 602/622
2.1
Rear panel
2.1.1
Connecting transducers and other devices
Before you switch on the electric power, connect the following, as required, to the
Rear Panel (or elsewhere, where described):
•
Data Interface
(MIDIMATE 622 only). 25-pin RS-232C serial connection for op-
tional operation together with one of the following:
1.
An external printer via cable part no. 8–71–420;
2.
The ZODIAC 901 via cable part no. 8–71–340;
Note!
For communication with ZODIAC 901, the Baud rate must be set to 9600.
3.
A personal computer, via cable part no. 8–71–340. Must comply with IEC
950 requirements, “Safety of information technology equipment, including
electrical business equipment”. See “Data Interface Operation Manual” (7–
26–121).
•
Pt-Sign.
For the Patient Response Handswitch.
•
Phone L
(Left = blue),
R
(Right = red)
.
Calibrated for use with the TDH 39 head-
phones supplied as standard with the MIDIMATE 602/622 fitted on an ME 70
noise-excluding Headset or on a TC 89E Headband.
•
Bone.
For the B–71 Bone Conductor (§4.2).
Warning!
Do not remove or tamper with the bone conductor cable while it is
connected to the MIDIMATE 602/622. Either disconnect the cable from the
Rear Panel or switch off and disconnect the electric power supply first.
•
Insert
. For the optional Insert Phone for masking (§4.2.2).
•
FF, L
and
R
. (Free Field, Left and Right) For optional free-field loudspeakers via
external amplifiers. Max 3 V RMS from 500
Ω
.
•
Monitor
. For optional monitor headset with boom microphone 8–75–340 or op-
tional monitor adaptor 8–71–140 with monitor loudspeaker (such as 8–75–330)
and talkover/live voice microphone (such as 8–72–240).
•
TB-Mic.
For optional patient talkback microphone.
•
Tape 1, Tape 2.
For pre-recorded speech from an optional stereo CD player or
tape-recorder. Sensitivity 0.1 V to 3.0 V RMS into 47 k
Ω
.
