User manual PENTAX H55ZME

[. . . ] Isolate the green wire used for LEVEL remote control (P-type lens only) to prevent auto iris malfunction. [. . . ] Connectors vary according to lens model and type (1, 2, 3 & 5) distinguished by the number after the hyphen, denoting different wiring and operating voltages. Metering method of the auto-iris can be linearly adjusted from average metering to peak metering (Pk). In case contrast of the image is too high or low, make adjustment according to the following table. Images ALC adjustment direction To make contrast lower Clockwise to (Pk) To make contrast higher Counter-clockwise to (Av) Please Note: · ALC may not function due to backlight compensation and AGC of the camera or cameras with a digital video output. If the lens emits smoke, smells of smoke or gives off heat, discontinue use immediately. Note: Pin number 5, 6, 7, 8 and 9 used for iris remote control (F-type lens only). Do not install the lens in a place where vibration and shock are expected. When images are too dark, too bright or there is no image, make the adjustment according to the following table. [. . . ] 0V(p-p) at V signal level ±20% at V signal level DC 3V - 6V less 5mA DC ±6V - ±12V less 5mA DC ±3V - ±6V less 5mA DC 6V - 12V less 5mA DC 3V - 6V DC ±6V - ±12V DC ±3V - ±6V DC 6V - 12V -10 - +50 P-type DC8V - 15V less 40mA [. . . ]