Viatek Mighty Jump MJTEST Manual

Vehicle LCD Battery / Charging System Tester Manual
Model: MJTEST
Made in China
PARTS DIAGRAM:
PIVOTING HEAD
Pivots for easy viewing
and angle adjustment
TESTING MODES
Alternator Mode
VOLTAGE READING
Refer to Battery State of
Charge Chart for voltage
reading levels
GREEN LED
Indicates good test result
Alternator Test: 13.51 - 14.5 V
Battery Test: 12.61 - 13.5 V
BATTERY STATE OF CHARGE
25%
VOLTS 12.0
Operating voltages and amperage rating 9-16 V | 1 A
NOTE: WHILE ENGINE IS RUNNING VOLTAGE METER WILL
MEASURE ALTERNATOR VOLTAGE. NORMAL READINGS
FOR STANDARD ALTERNATORS RANGE FROM 13.5 - 14.5 V.
Read Instructions
Before Operating
| Battery Mode
12.80
100%
75%
50%
12.2 12.4 12.6
USE ONLY AS DIRECTED
DO NOT DISCARD IN FIRE
KEEP OUT OF REACH OF CHILDREN
AVOID EXCESSIVE HEAT EXPOSURE
ELECTRICAL CONTACT END
Inserts into power receptacle
Displays the measured voltage
to indicate battery charge level
Alternator Test: 15.11 - 16 V
Battery Test: 11.99 - 0 V
Indicates potential problem or low voltage
Alternator Test: 14.51 - 15.1 V
Battery Test: 12.00 - 12.6 V
Battery Monitor Results:
Low battery voltage (yellow or red LED)
is not always due to a dead battery.
It could be an indication of several things,
including, but not limited to:
• Possible problem with the alternator
• Dirty battery terminals
• Extreme outside temperature
• Undercharged battery
Customer Service
1-888-784-2835
cs@viatek.com
CHARGE GRAPH
RED LED
Indicates bad test result
YELLOW LED
REV 040116