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MFJ-4416B Super Battery Booster
Instruction and Technical Manual
7
INTERNAL HEADER AND CONTROL
Figure 4: MFJ-4416B Internal Header and Voltage Control
Input Voltage Cutout:
This is where you set the input voltage cutout. Default is 10
volts when jumpered across 3-4. To set the cutout at 11 volts move this jumper to 5-6.
For 9 volts cutout move this jumper to 1-2.
Voltage Adjust:
This trimpot sets the output voltage. Set from the factory at 13.8 volts
this level is adjustable from 12 to 13.8 volts.
Audio Alert Enable:
This jumper enables the audio alert. Any time the voltage drops
below the level set by the input voltage cutout you will be alerted by the Piezo buzzer.
To disable remove the jumper.
Cutout Latch:
When jumpered the Boost Regulator IC will be shutdown anytime the
voltage drops below the level set by the Input Voltage Cutout. It will remain shutdown
until the input voltage is removed from the unit. Default not jumpered.
RF Sense Delay:
This Trimpot sets the RF sense Delay. Factory set at approximately 5
seconds it is adjustable from about .1 to 10 seconds.
Remote Jack:
This is where the MFJ-4416RC is connected.
