Research Concepts RC1000 - Manual (Page 22)

RC1000A Antenna Controller.......................................7.0 Battery & Fuse Replacement 20
7. BATTERY & FUSE REPLACEMENT
The RC1000A requires no periodic maintenance. The only components the user should have to
be concerned with under normal circumstances are the fuses and the battery used for memory
backup.
To prolong battery life and minimize polarotor skew drift problems, the unit should be left on at all
times.
7-1A Power Line Fuse Replacement
1.
This fuse is located inside the front panel power switch. To replace, first turn the power
switch off and unplug the unit.
2.
Push in and turn the power switch counterclockwise about 1/8 of a turn, and gently pull
out the switch assembly from its housing.
3.
Pull out the fuse from the back of the switch, and replace it with a standard 3.0 amp, type
AGC fast blow fuse. NO SUBSTITUTE VALUES ARE ACCEPTABLE. Make sure the
fuse is firmly seated in the retaining cup.
4.
Slide the fuse and switch assembly back into its housing, and turn clockwise to lock in.
5.
Plug the unit back in, and turn the power switch on.
7-1B Motor Drive Fuse
Refer to page Figure 7.2 for placement of fuse F2. Should the main fuse be good and
the motor drive signals not be present, check this fuse. Its value is 6 amps, type ABC.
Be sure to have the unit powered down and the line cord unplugged before
replacing this fuse.