Nikon D90 - Digital Camera SLR 사용자 설명서 - 페이지 20
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2. Calibrating at sea level (1.015 hPa)
When this unit is used at sea level, the reference pressure has to be set to
1.015 hPa (factory settings). To calibrate the unit at sea level:
- first remove the battery from the camera support;
- remove the hot shoe cable from the Hugycheck system (J1 or J2);
- install the HugyCheck calibration jumper on J1 (direct);
- install the battery in the camera support;
The yellow LED will burn, indicating that the reference pressure has been set
to 1.015 hPa (factory settings).
- remove the battery from the camera support;
- remove the HugyCheck calibration jumper on J1 (direct);
- install the hot shoe cable on the Hugycheck system (J1 or J2);
- install the battery in the camera support.
The system in now ready to be used at sea level.
When the unit is used at altitude (< 850 hPa) while calibrated at sea
level, the red LED may already be blinking rapidly even with no under
pressure inside the housing as the system will register a pressure below
850 hPa.
When the unit is used at sea level while calibrated at altitude, the refe-
rence pressure (< 1.015 hPa) may be so low that the pump will not reach
the required underpressure in the housing to acivate the green LED. In
this case the red LED will keep on blinking rapidly.
Hugyfot Housing for
To calibrate at sea level, the HugyCheck calibration
jumper is to be installed on J1 (direct).
Nikon D90
Warning
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User manual