
— 15 —
[15] MAINTENANCE
15-1 Replacement of dry cells
(Refer to Fig. 6):
Replace dry cells if the pointer stays out of the range of
INTERNAL BATT GOOD
when the function switch is turned to
INTERNAL BATT CHECK
.
1. Remove the battery case lid.
2. Remove four old dry cells R03 and set new ones (UM-4SG).
(Pay attention to the polarity.)
3. Remount the battery case.
Fig. 6 Layout of Dry Cells and Fuses
15-2 Replacement of fuses
(Refer to Fig. 6):
1. Remove the battery case lid and replace fuses.
2. Use a mini fuse of 5
φ
x 20mm of rating of 250V AC/0.5A.
Spare fuse
Dry cell
Fuse
0
Ω
setter
Battery case lid
Before removing the battery
case lid, be sure to disconnect
the test leads and turn the
function switch to
POWER
OFF
.