RADIO SHACK CT 8003 NOTES: This is a dual NAM handheld unit. The ESN prefix is 172 decimal, AC hex. (Uniden) Radio Shack/Tandy: 817-870-5600 NAM PROGRAMING: OPTIONAL: Use steps 1, 2 and 3 to select NAM. 1. Turn power on. 2. Optional: Select the NAM you want to program by entering 1 STO 9 0 for NAM 1 or 2 STO 9 0 for NAM 2. 3. Turn the unit off. 4. Press the * and # keys togeather and hold while pressing the PWR key, continue holding * and # until the display clears. 5. Release * and # and within 7 seconds enter: 5 1 6 0 9 8 9 1. The first step number and data entry (System ID) will appear. 6. Data can be programed in any order: Enter the single digit step number, Enter the new data, Press STO, Enter the next item number... etc 7. At any time press SEND to complete programing, phone should then display "PASS", press END to exit. If "FAIL" appears try programing again. PROGRAMING DATA: STEP# #OF DIGITS/RANGE DESCRIPTION 0 00000 - 32767 SYSTEM ID 1 0 OR 1 LOCAL USE MARK 2 0 OR 1 MIN MARK 3 10 DIGITS MIN (AREA CODE & TEL NUMBER) 4 0333 OR 0334 INITIAL PAGING CHANNEL 5 2 DIGITS ACCESS OVERLOAD CLASS 6 0 OR 1 PREFERRED SYSTEM (0 FOR "B", 1 FOR "A") 7 2 DIGITS GROUP ID (10 IN USA) 8 4 DIGITS LOCK CODE 9 0 OR 1 CONTINUOUS DTMF LOCK: RCL 7 7 then four digit lock code. UNLOCK: RCL 7 7 then four digit lock code. SYSTEM SELECT: RCL 8 8 displays, STO N 8 8 changes, where N is: 1 = A only, 2 = B only, 3 = Home only, 4 = Pref/Non pref, 5 = Non pref/pref.