Labels:text | diagram | plan | technical drawing | schematic OCR: MAHA RL-112 & RL-412 MOD SHEET The software mod for RL-112 and the Ri-412 are currently not enabled. To enable the software mod opening the radio is required. Five screws need to be removed to open the radio, three on the back and two on the battery slide plate on the bottom. When open locate the CTCSS board sticky taped to the main circuit. Most likely the CTCSS will be covering the pads that you will be looking for, if needed move the board and the tape to make access to JP11 and JP12. If JP11 is not bridged (soldered together) do so. Next, arange the four Jumpers from left to right: Open Closed Closed Open It is recommended to put electrical tape around the PL board. Reassemble the radio, and attach the battery and antenna. RESET Radio reset by shorting these two contacts with a screwdriver, while Pressing (F) function + Pwr (volume knob). This will reset the unit so the modification can be complete. . ... ... ... 2157 RL-412 RIL TX RX 400-470 400-470 tas RL-112 - TX RX .. 130-175 130-175 OCCO CHIO CWI Mod Provided By: Robert Syms KO6ZL This Mod is provided for informational Purposes only Maha, Rexon, and Robert RICE Syms are not responsible for Damages or out of band interfearance caused by this modification. .. CI74 10015 CIH ICIN 7 JU 8124 00 00 JP 11 JP 12
