Personal Functions 
Personal Functions enable you to further customize your camera settings. They are set with EOS LINK SOFTWARE ES-E1 (sold separately, →p.130) which connects the EOS-1V to a personal computer.
P.Fn-0 (Custom Function group registration) can be set with the EOS-1V body as well.
Personal Functions
P.Fn-0 Custom Function group registration.
P.Fn-1 Disables unwanted picture-taking mode(s).
P.Fn-2 Disables unwanted metering mode(s).
P.Fn-3 Specifies the metering mode for manual exposure.
P.Fn-4 Sets the maximum and minimum shutter speeds to be used.
P.Fn-5 Sets the maximum and minimum apertures to be used.
P.Fn-6 Registers and switches the shooting mode and metering mode.
P.Fn-7 Repeats AEB during continuous shooting.
P.Fn-8 Sets AEB only for the first two frames.
P.Fn-9 Changes the AEB sequence for C.Fn-9-2/3 to overexposure, correct exposure, and underexposure.
P.Fn-10 Maintains the shift amount for program shift.
P.Fn-11 Prevents cancellation of multiple exposures.
P.Fn-12 Sets the AI Servo AF’s subject-tracking sensitivity.
P.Fn-13 AI Servo AF continuous shooting is executed according to the film advance speed.
P.Fn-14 Disables AF lens driving for focus search.
P.Fn-15 Disables the AF-assist beam from being emitted.
P.Fn-16 Enables the picture to be taken automatically when focus is achieved at the fixed point of focus while the shutter button is pressed completely.
P.Fn-17 Prevents automatic focusing point selection from being set.
P.Fn-18 Enables automatic focusing point selection when C.Fn-11-2 has been set.
P.Fn-19 Sets the film advance mode’s continuous shooting speed for when the Power Drive Booster is attached.
P.Fn-20 Limits the number of frames exposed during continuous shooting.
P.Fn-21 Enables silent (low-speed) film advance when the shutter button is OFF after picture-taking.
P.Fn-22 Disables the shutter release when film has not been loaded.
P.Fn-23 The function activation timer after the button is pressed can be changed to a different time length (
6 , 
16 , etc.).
P.Fn-24 Prevents the LCD panel illumination from turning off during bulb exposures.
P.Fn-25 Changes the default settings implemented when the CLEAR button is ON.
P.Fn-26 Shortens the shutter release time lag.
P.Fn-27 Enables the electronic dial’s function to be used in the reverse direction.
P.Fn-28 Prevents exposure compensation with the Quick Control Dial.
P.Fn-29 Issues a warning when there is enough memory to store shooting data for only a few more rolls of film.
P.Fn-30 Changes the imprinting density of the film ID.
