4.4.3 Battery Removal and Replacement
Refer to Parts 3.1.1 for the NM-108 BC battery installation procedure, respectively.
Replace the remote control batteries as follows:
1. Using a screwdriver, unscrew the four screws (A, Figure 4-6) that affix the cover to the bottom of
the unit. Remove the cover.
2. Replace the batteries with two new ones (CR2016, 3V). Stack the batteries in its place under the
leaf contact spring with the minus contacts directed towards the electric board, as the minus sign
etched on the board indicates.
3. Replace the cover and retighten the screws (A).
Figure 4-6. REMOTE CONTROL UNIT. BATTERY INSTALLATION
APPENDIX А
(Reference)
ESTIMATION OF AMBIENT ILLUMINATION LEVEL
Table A-1 lists some common natural light conditions and their corresponding representative illumina-
tion values.
TABLE А-1. STANDARD NATURAL LIGHT CONDITIONS AND ILLUMINATION
VALUES
Standard Natural Light Conditions
Illumination Value, lx
Quarter moon
0.05
Full moon
0.30
Late twilight sky
1.00
Twilight sky
10.00
Overcast sky in the daytime
500.00
