1-32 (No.RA018)3.3.3 Mounting the chassis onto the case(1) Place the key top on the chassis. Then, fit the chassis tight-ly into the groove of the key top. <1>Note:Confirm that the entire groove of the key top fits to thechassis tightly.(2) Mount the chassis onto the case. <2>Note:• After mounting the chassis onto the case, if the 18-keypart on the key top or the Auxiliary (Orange) key partof the VOL/SEL packing gets stuck inside the case asshown in the figure, return it to the normal position us-ing a soft tipped item (e.g., finger) . <3>• Prying it with a pointed metal tool such as forceps, maydamage the key top or packing.3.3.4 Changing the channel selector from 16-channel oper-ation to free(1) Remove the channnel selector knob <1>. (Refer to “Re-moving the selector knob and volume knob” for how to re-move the channel selector knob.)(2) Remove the knob spring <2>. (Refer to “Removing the se-lector knob spring and volume knob spring” for how to re-move the knob spring.)(3) Remove the mechanical stopper <3>.(4) Reassemble the channel selector knob and knob springthat were removed in steps 1 and 2, in their original posi-tions.3.3.5 Removing the lithium cell (W09-0971-05)Insert a non-conductive screwdriver to groove of one sideof the socket (CN7) and pry the lithium cell up from the socket.3.3.6 Installing the lithium cell (W09-0971-05)Insert a lithium cell into one side of the socket (CN7).Push the lithium cell to insert the lithium cell into the socket18-key partAuxiliary(Orange) key<2><1><3><1><2><3>
