AEM 30-6905 Universal Programmable EMS-4 User Manual
Page 267

Page 267 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
Time during which the ignition remains at the max retard. Can be adjusted for each
gear. (Recommended values: 80-150ms)
Switch Rtd Adv Time:
Time during which the ignition is inc
reased or „ramped back in‟ as opposed to
immediately changing back to original ignition table values.
Switch Rtd ReArm:
Wait time between shift events. Intended to prevent extra shift events if the switch is
pressed too early or held for too long.
Switch Rtd Advance:
Defines the ignition timing step sizes applied as the timing is ramped back in.
Switch Rtd Ign Cut:
Turn on if you want the system to cut ignition after the timing is ramped out. See Switch
Cut Time table description above.
Switch Rtd Input:
Defines the GPIO input used to activate the function. Must be set to GPIOX Gnd = On.
Switch input must be wired through the switch to ground.
Switch Rtd Output:
Defines the low side (switched ground) output used to activate an air shift control
solenoid. See Switch Retard Output Pr above.
Switch Rtd Output On: