MAN#650074:A
HLY-3027 MINI TACHOMETER
(weather and vibration resistant for exposed environments)
SETTING THE WARNING LIMITS, CYLINDER SETUP, AND UPDATE SPEED:
The setup is done using the function switch. The tachometer can be calibrated two different ways.
The green wire is used to enter and change the warning settings. You will need to connect the
supplied switch with one side to the green wire and the other side to 12 volts.
1. To enter the set mode, turn the key on with the switch pressed. The gauge will disp
lay “SEt”.
2.
Release the swtich. The gauge will display “HI” and then change to the current hi rpm warning
point. (2800
– 15,200)
3. Each time you momentarily press the switch the warning will increase 200rpm.
4. When the desired warning value is displayed, keep the switch held for about 2 seconds. The
gauge will display “CYL”.
5. Release the switch. The gauge will display the current cylinder setting. (1-15)
6. Each time you momentarily press the switch the number will increase by 1.
7. When the desired cylinder setting is displayed, keep the switch held for about 2 seconds. The
gauge will display “SPd”.
8.
Release the switch. The gauge will display the current update speed. (slow “SLO” or fast “FSt”).
9. Each time you momentarily press the switch the display will change.
10. When the desired update speed is displayed, keep the switch held for about 2 seconds. The
gauge will display “--”.
Turn the key off.
MOUNTING:
The gauge can be mounted into a fairing or dash panel with a round hole 2-
1/16” in diameter. It
should be inserted into the opening from the front and the U-clamp will be installed from the back. Tighten
the two nuts on the U-clamp so that the gauge is secure. Gauge depth to the back of the case is 1-
1/2”.
Gauge depth including the mounting studs is 2-
3/8”.
