otometrics Madsen ZODIAC 901, Руководство пользователя

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5. SUPPLEMENTARY FUNCTIONS
5.1 ALT. SELECT
Additional Sub-Menu As described previously (§3.2.4), the Alt. Select pushbutton offers an ad-
ditional sub-menu, which appears on the display in place of the sub-
menu of whichever test mode is operational at the time.
Alt. Select The Alt. Select pushbutton accesses the following functions at any time
(except when a test is in progress): Erase Data, Smooth (not Version 2. x
of the ZODIAC 901), Marker, Data Xmit, L/R (shift from one ear to the
other), Contrast (for adjusting the display’s contrast). Afterwards, press
Alt. Select
again to return to the function currently selected.
5.1.1 ERASE DATA
This function appears on the display only if there are any data for your
patient in the current test.
Softkey 1 Only data for the current ear and the current test are erased (e.g. a tym-
panogram). In Reflex Decay and Reflex Threshold, all measured curves
in that test for the current ear in either Ipsi or Contra (not both) are
erased.
Note that you are given an opportunity to change your mind after press-
ing
Softkey 1 the first time (Erase Data: Yes, No?).
Please refer to Erase Curve in the Marker Function.
5.1.2 SMOOTH
Softkey 2 The Smooth facility may be used to electronically clean up tympano-
grams and any other Cartesian graphs recorded for the current patient
in the event of irregularities caused by, for example, a fidgety child or a
patulous Eustachian Tube. The facility is not included in earlier versions
of the ZODIAC 901.
This facility is only available in the following test modes: Manual Tymp.,
Auto Tymp. Sweep, and ETF-I.
5.1.3 DATA TRANSMIT
ZODIAC 901 is supplied with an RS-232C data interface as standard.
However, it should be noted that data transfer, in fact any form of com-
munication with a PC, is possible only if your PC has been
Operation Manual 53
GN Otometrics SUPPLEMENTARY FUNCTIONS Chap. 5
ZODIAC 901 Middle-Ear Analyzer
ALT. SELECT
5.1