Pentax 280T Operation Manual - Page 22

MS (MininirFlint! With,Auto Syn There are options of full output flash at the high (11) setting, or a low-level flash output at the low (L) setting- the latter is very convenient for closeups or work requiring a fast recycle time. In addition, when Pentax cameras offering TTL/ dedicated flash functions are used at either of the MS settings, the camera synchronizes automatically for flash on charging. When used on a Pentax cameras featuring a Programmed AE with "Manual" exposure mode, "Slow-Speed Sync." synchronization at any shutter speed slower than the sync speed. When the AF-280F is used at the MS settings with cameras not having dedicated flash provision, the standard two-level manual flash operation is offered. •When this flash unit is used on any 'programmed' Pentax camera in this flash mode, with its A -series, F-series or FA-series lens set to 'A" (Auto), the dedicated flash provision does not function. 20 MAIM -I AUTO MS ri aH L 1) Set the ASA/ISO film speed of the film in your camera on the back of the flash unit (see page 7). 2) Set the flash mode selector to the desired H or L mode setting. 3) For automatic synchronization with cameras offering TTL/dedicated flash provision, camera's "Auto" or "Manual" mode may be used. For cameras without TTL/dedicated provision, set the shutter speed at "X" or slower. NOTE: With the LX, the fail-safe feature whereby the non-flash exposure overrides flash at fast shutter speeds is still offered, even when synchronized at "X." When manual flash without the flash override feature is desired, or when synchronization is desired at speeds other than "X," switch to the "M" manual flash mode (see page 21).