Measuring Puffed Air Pressure Check During Startup - Nidek Medical NT-510 Operator's Manual

2.3.1

Measuring puffed air pressure check during startup

It is possible to parameter-set whether or not to check the pressure of puffed air before mea-
surements.
Checking contents at the device start-up are different according to the parameter setting.
Parameter name
21. PRESSURE CHECK
For details of the parameter settings, see "2.7 Parameter Settings (Page 39)".
It is essential to maintain the accurate pressure of puffed air for the accurate tonometry. It is
recommended to check the pressure of puffed air before NT measurement.
Checks are performed in the following order: "Check of the pressure of puffed air (40 mmHg
and 60 mmHg)"
The checks disabled by the corresponding parameters are skipped.
1) After the title screen is displayed, "PRES-
SURE TEST MODE / CHECKING 40" is dis-
played and the test of the puffed air of 40
mmHg is performed.
Wait until the check result is displayed.
2) The check result is displayed
• PRESSURE TEST OK" is displayed:
The air nozzle is clean.
• If one of the following messages is displayed:
After the completion of all the checks, turn the
device off once and check the air nozzle for soiling.
If the air nozzle is soiled, wipe it clean of soling.
PRESSURE SLOPE ERROR
After the completion of the checks, the displayed "PRESSURE PEAK ERROR (40)" message is
printed out.
Selection of whether or not to automatically check the air pressure
from YES, NO, and DAY.
• All the checks are performed automatically.
• If the sensor detects a patient, it is assumed that the patient's chin is placed on the chinrest
and puffed air pressure check is not performed.
Error message
PRESSURE PEAK ERROR
NO PRESSURE UP
OPERATING PROCEDURES Measurement
Description
2
31