Ricoh D158 Service Manual page 616

Main SP Tables-5
Channel Min
007
Sets the minimum number of channels available for data transmission via the
wireless LAN. The number of channels available varies according to location.
The default settings are set for the minimum end of the range for each area.
Adjust the lower 4 bits to set the minimum number of channels.

Do not change the setting.
008 Transmission Speed
WEP key Select
011
Selects the WEP key.
D158/D159/D160/D161/D170
[1 to 14 / 1 / 1/step]
Range
*CTL JPN: 1 to 14
NA: 1 to 11
EU: 1 to 13
[0x00 to 0xFF / 0xFF to Auto / -]
0 x FF to Auto [Default]
0 x 11 - 55M Fix
0 x 10 - 48M Fix
0 x 0F - 36M Fix
0 x 0F - 24M Fix
0 x 0E - 18M Fix
0 x 0D - 12M Fix
*CTL 0 x 0B - 9M Fix
0 x 0A - 6M Fix
0 x 07 - 11M Fix
0 x 06 - 5.5M Fix
0 x 05 – 2M Fix
0 x 08 - 1M Fix
0 x 13 - 0 x FE (reserved)
0 x 12 - 72M (reserved)
0 x 09 - 22M (reserved)
[00 to 11 / 00 / 1/step]
00: Key #1
*CTL 01: Key #2 (Reserved)
10: Key #3 (Reserved)
11: Key #4 (Reserved)
3-158 SM Appendix