Mallory Ignition ACCEL timing computer 49340 - Manual (Page 14)

Q UICK R EFERENCE
When setting Timing this button will show a value for RPM.
This button is also used, with other buttons, for other functions.
Shows Timing at a selected RPM.
It is also used with other buttons for other functions.
These buttons
increase or decrease
the displayed values.
Adjusts the entire Timing Curve up, for Vacuum Advance, in 1
°
increments.
Can only be used with an A CCEL 2-Bar MAP Sensor (Part# 74776).
Adjusts your entire Timing Curve down, for Boost Retard, in 1
°
increments.
Can only be used with a MAP Sensor.
Adjusts the entire Timing Curve down, for N 2 O Retard, in 1
°
increments.
Do not confuse Programming N 2 O Retard with Actuating a N 2 O solenoid.
When the SAVE button is pushed, alone or with another button, all current
values are stored. You can adjust values and not store them by turning off the
ignition before pushing
SAVE . Previously stored values will be remembered.
Controls output to RPM-Activated Switches.
These buttons control RPM Switch-1. If actuating a N
2 O solenoid,
use the connector controlled by these two buttons.
Sets the Maximum RPM rev-limit. Use the arrow keys to set this
value in 100 RPM increments. Cannot exceed the rev-limit set by
your A
CCEL+ ignition box.
Toggles the display between a digital tachometer and ignition timing.
The other RPM-Activated function.
These buttons control Switch-2.
Fixes ignition timing, regardless of engine speed or other inputs. Use
arrow keys to modify. This mode is used to set ignition timing with a
timing light and by moving the trigger point to match that value.