MSD 7550 Programmer_Monitor for Programmable Digital 7 Series Ignitions Installation - Manual

Figure 1 Button Operation.
These instructions are meant to illustrate the operation of the Programmer/Monitor and how to navigate
its program menus. Reading the instructions as you operate the Programmer to become familiar with
the screens and menus will assist in your programming.
Parts Included
1 – Programmer/Monitor, PN 7550
The PN 7550 Programmer connects to the MSD Programmable Digital-7 Ignition Control with the
supplied 9-pin wiring harness. It can be left connected when making passes or removed. If you choose
to remove it after making changes in the program, you must go to the Save menu to store the new
programs in the Ignition before disconnecting the harness.
There are six buttons on the PN 7550 (Figure 1). The top four are used for programming all of the
features of the PN 7530 Ignition. The two Launch Control buttons put you directly to the Launch RPM
setting adjustment for last minute starting line changes.
ENTER – This is used to open the selected field for further
programming or to load a new program.
NEXT – Pressing this button moves the cursor to the next field.
After making an adjustment to a program, pressing NEXT will
take you to the Save menu.
Up (⇑) and Down (⇑) Arrows – These buttons are used to change
the settings of programs such as rpm or timing. Pressing the up
button increases the rate while the down arrow lowers it.
LAUNCH REV LIMITER
Pressing one of these buttons takes you directly to the RPM
Launch limit for quick starting line changes. Once at this menu,
use the arrow keys to adjust the rpm limit. Note that this rpm
limit will automatically be saved without having to go to the Save
menu.
Hand Held Programmer/Monitor
for the MSD Programmable Digital-7 Ignition Control
PN 7550
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