User manual PENTAX AF160

[. . . ] is a symbol emphasizing a warning. 1 WARNING The flash contains electronic circuits that operate at high voltages. Do not attempt to disassemble the flash unit yourself, as there is danger of an electric shock. If internal parts of the flash unit becomes exposed due to impact, etc. , do not touch them as there is danger of an electric shock. Do not expose the flash unit to water or moisture as there is danger of an electric shock. CAUTION Do not use the flash near anyone's eyes, as it may hurt them. [. . . ] http://www. pentax. jp/english/support/download_digital. html You may also contact your nearest PENTAX service center for firmware updates. (This will involve a fee. ) 40 Firstly, set the wireless mode and channel of the AF160, and register them on the camera. Turn the camera off and then attach the AF160 to the hot shoe of the camera. Set the power switch of the flash unit to (WIRELESS). Press the wireless mode button (M/C/S) the number of times required to display SLAVE on the LCD panel. You cannot set the flash unit to SLAVE while the exposure metering timer is on (while information relating to aperture etc. Slide down the setting switch to the (yellow dot) to display the channel on the LCD panel. Press the channel button (CH) and select a channel from 1CH to 4CH. Slide the setting switch back up to the (white dot). When you turn the camera on and press the shutter release button halfway down, the channel is registered on the camera. 1 Next, remove the flash unit from the camera and place it in the desired position. Press the flash mode button (MODE) to display (P-TTL) if the flash mode was set to the modes other than P-TTL auto. 2 3 4 Enable the built-in flash unit of the camera and set the camera flash mode to (WIRELESS). Confirm that the AF160 and built-in flash unit are fully charged, and take the photograph. When you turn the camera on and press the shutter release button halfway down, the channel of the flash unit is registered on the camera. (Preparation of Separated Flash Unit) Next, set the channel of the separated (wireless) flash unit to the same channel as the flash unit attached to the camera. Place the other AF160 in the desired position. Set the power switch of the flash unit to (WIRELESS). Press the wireless mode button (M/C/S) the number of times required to display SLAVE on the LCD panel. Slide down the setting switch to the (yellow dot) to display the channel on the LCD panel. Press the channel button (CH) and select the same channel that the flash unit attached to the camera has been set to. Slide the setting switch back up to the (white dot). The two flash units must be set to the same channel, otherwise the separated flash unit will not discharge. 2 (Photographing) 3 Confirm that both flash units are fully charged, and take the photograph. A lamp on the wireless flash unit will blink. 45 Wireless High-Speed Sync Photography (Using the AF160 in Combination with a Built-in Flash Unit) 1 Firstly, set the wireless mode and channel of the AF160, and register them on the camera. Turn the camera off and then attach the AF160 to the hot shoe of the camera. Set the power switch of the flash unit to (WIRELESS). [. . . ] Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. [. . . ]