Pentax ZX-M Operating Manual page 43

7 USING PENTAX DEDICATED AUTO FLASH UNITS'^
Pentax dedicated auto flashes (except FTZ-series
flashes) can be used with this camera, regardless
of whether it is set to the Programmed AE,
Aperture-priority AE or Metered Manuai Mode. TTL
auto flash mode cannot be used in this camera.
Using a PENTAX Dedicated Flash
1. Remove the hot shoe cover FC and attach a
Pentax dedicated flash unit to the camera.
2. Set the flash mode to AUTO position. Do not
set the flash unit to TTL position.
3. Turn ON the flash. When the flash is fully
charged, the ready lamp on the flash unit
lights up.
4. Depress the shutter release button halfway
down. If the flash is fully charged, [fr] appears
in the viewfinder indicating the flash is ready.
5. Focus on the subject and release the shutter.
Note:
Read the operating manual of the flash unit for
more details regarding flash effective range, and
aperture selections.