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6.

 

Up or down (arrow) controls 

Immediately after selecting the Warm Temp, Cool Temp, or Flow Time 

controls, the up or down (arrow) controls can be used to adjust the  

set temperature or the flow time.  A single push of either the up or down 

button will increase or decrease the temperature by 0.1

°

C or the flow 

time by one second (the available time range is from 1 to 99 seconds).  

By holding the up or down button for more than 3/4 of a second, the 

temperature or the flow time will change at the rate of 3 units a second 

in the selected direction. 

 

Once set, the operating parameters will be stored in memory registers so 

they will not need to be re-entered each time the unit is turned on.  The 

display will automatically return to the temperature of the selected 

stimulus 5 seconds after the last push of a button.  Tapping either 

stimulus select button (the blue or orange buttons) will immediately 

switch the display to the selected stimulus temperature. 

 

The standard temperatures used are usually 24

°

C (cool) and 50

°

(warm). 

Summary of Contents for ICS NCA-200

Page 1: ...AIR CALORIC STIMULATOR User Manual Doc no 920001301 EN 06 Part no 920001301 EN...

Page 2: ...information illustrations and specifications in this manual are based on the latest product information available at the time of publication GN Otometrics A S reserves the right to make changes at an...

Page 3: ...stagmography and videonystagmography Our products are of high quality and can be expected to provide excellent diagnostic information for many years We back these instruments with a warranty and servi...

Page 4: ...B Rear Panel Connectors 9 C The Delivery Head Controls 11 D Charging the Memory Backup Capacitor 12 IV Operating Procedures 14 A Preparation for Testing 14 B Testing Procedure 15 V Safety Features 16...

Page 5: ...aintained through the use of a thermistor located within 60 mm of the point of airflow delivery The innovative design of the otoscopic delivery head allows observation of the point of stimulation assu...

Page 6: ...ination room layout Connections to the computer based CHARTR 200 VNG ENG can be made In order to understand how these connections are made please refer to section IIIB Rear Panel Connectors The capaci...

Page 7: ...3 Figure1 Typical room layout for performing the VNG ENG test VNG ENG System...

Page 8: ...sented when the flow time is being displayed The default settings on power up provide selection of the cool stimulus and display of the cool stimulus temperature 3 Warm orange or Cool blue Temperature...

Page 9: ...TER DIGITAL DISPLAY UP DOWN arrow CONTROLS COOL TEMP SET CONTROL WARM TEMP SET CONTROL FLOW TIME SET CONTROL COOL blue TEMP SELECT CONTROL WARM orange TEMP SELECT CONTROL BATH SELECT LED S medical air...

Page 10: ...conds after pressing the button or after making the last changes see point 6 below the display returns to the temperature of the selected stimulus 5 Flow Time Set Control This provides a display of th...

Page 11: ...for more than 3 4 of a second the temperature or the flow time will change at the rate of 3 units a second in the selected direction Once set the operating parameters will be stored in memoryregister...

Page 12: ...rol at the base of the flow meter The flow meter is usually set to deliver 8 LPM of air 8 Flow on off switch This switch enables the user to start or stop the airflow to the delivery head With the air...

Page 13: ...ear panel is the location of connectors to external control or recording devices Figure 3 Figure 3 Rear panel view of the NCA 200 with connectors 115 REMOTE CONTROL COMPUTER CONNECTION POWER LINE VOLT...

Page 14: ...l connector at the rear of the stimulator This would be used to activate the flow timer If a computer is connected and a caloric test has been selected in the software the first depression of the foot...

Page 15: ...the input voltage switch must be set to 230 and the line fuses in the power input module must be 3 Amp Time Delay 5x20 mm fuses C The Delivery Head Controls The delivery head Figure 4 can be held in a...

Page 16: ...ctually placed in service Therefore it is recommended that the following procedure be followed before the unit is placed in service Turn the NCA 200 on The air pump may be turned off for quieter opera...

Page 17: ...acitor as described in point 1 above Figure 4 Front and Back views of the NCA 200A delivery head and controls Inner Speculum Note Warning Symbol indicates that the inner speculum should never be place...

Page 18: ...to the blue temperature select control Press the orange temperature select button if the warm temperature is to be selected The digital display will flash until the set temperature is reached It takes...

Page 19: ...onto the tympanic membrane Momentarily depress the flow time activation trigger button on the delivery head If the NCA 200 is connected to the CHARTR 200 VNG ENG or CHARTR VNG ENG system subsequent de...

Page 20: ...this event it is important to insure that the ground wire of the line cord is reliably connected to an appropriate ground Overtemperature protection is assured through the use of a special secondary s...

Page 21: ...lectromagnetic environment in which radiated disturbances are controlled The customer or user of the NCA 200 can help prevent electromagnetic interference by maintaining a minimum distance between por...

Page 22: ...btained from Otometrics or your distributor Two 5 amp fuses 3 amp for 240v operation are located on the back panel NCA 200 Coolant Refill Procedure NOTE If the customer is not comfortable following th...

Page 23: ...the left by raising the right edge of the unit about 4 inches Return the unit to a level position Repeat this process until there are no more air bubbles observed leaving the radiator If the pump sta...

Page 24: ...he factory such shipments will be made prepaid Exempted from this warranty are the following A Instruments not installed in accordance with the instructions in the manual B Instruments serviced by per...

Page 25: ...mote control capability Standard for computer based systems Timeout indication Beeper Input power 120 VAC 60 Hz or 240 VAC 50 Hz Current 5A 120 VAC 3A 240 VAC Safety Primary temperature read out Separ...

Page 26: ...22 Storing and Handling Temperature 0 C to 40 C 32 F to 104 F Relative Humidity 90 non condensing Air Pressure 500 hPa to 1060 hPa ACCESSORIES Specula Qty 25 8 62 44100 Lens Qty 1 8 35 33300...

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