Ambler Restaurant Week is back and better than ever, January 29-February 5th! Ambler area restaurants will be offering wonderful specials and prix-fix menus. Whether youâre looking for high end or casual, a beverage pairing or a[...]
We suggested that the external flash be set to the TTL mode. The TTL (i.e. , T hrough T he L ens) mode means that the camera will measure the output of external flash and stop the flash once illumination is sufficient.This is the easiest mode of using external flashes.However, do keep in mind that the Coolpix 990 is not true TTL cameras in terms of flash control. It measures flash illumination with a flash sensor next to the on-camera lens as shown below. As a result, what this sensor sees is usually not what the lens sees.his is the easiest mode of using external flashes. However, do keep in mind that the Coolpix 990 is not true TTL cameras in terms of flash control. It measures flash illumination with a flash sensor next to the on-camera lens as shown below.
TTY/TDD stands for a group of telecommunication devices that make it easier for deaf and/or mute people to talk over telephone lines. TTY stands for telephone typewriter, teletypewriter or text phone. TDD stands for Telecommunications Device for the Deaf. Usually these devices are all categorized under TTY/TDD. Sometimes TTY means manual devices such as typewriters, TDD devices usually fall under computer assisted or digital devices. For the most part, a TTY/TDD device is the size of a typewriter or a small computer. The vast majority of these devices have a QWERTY keyboard and some sort of display screen that either uses LED, LCD or other display technology.