During setup, these keys select the options shown on the lower line of the
display.
In Setup Mode
During operation in test mode, the softkeys control supplementary functions
as described in section 5.1.4.
In Test Mode
3.5 START-UP
1.
Connect the following to the rear panel: headset, patient response
handswitch, bone conductor.
2.
Plug the mains cable into the power socket on the rear panel and then
connect the audiometer to the mains.
3.
Switch on the MIDIMATE 622 by depressing the power switch (located
on the right side of the instrument).
NOTE! As there can be a click emitted from the headphones or free-
field loudspeakers when switching on the instrument, ensure that
headphones are not being worn at power-on.
NOTE!
4.
The power LED illuminates and the following displays appear in rapid
succession as the audiometer runs an automatic self-test and then
loads Test 1 (which here is the factory default test). Any of the first 4
displays may be “frozen” by holding down Softkey 1.
Power-Up Test completed
MIDIMATE 622 Version : 3.x
Calibrated (YYMMDD) : 980311 By: xyz
Reference : ANSI S 3.6 / ANSI S 3.6
(Tone, Air, Left, Mask : Air, NBN)
* * * Test Retrieved * * *
Freq.
Air
L: Tone
Air
R : NBN
1000 Hz
C/P/W
20 dB
On/Off
20 dB
The self-test checks the system memory and the calibration memory. When
completed, User Test 1 is loaded and you are ready to begin testing 5
seconds after switching on the audiometer!
Self-test
NOTE !
No warm-up time is necessary - you can begin testing as soon as
User Test 1 is loaded
No warm-up time
necessary!
MIDIMATE 622 OPERATION MANUAL
3. General Description
15
