1. Packing List.......................................................................................................................................................... 1
2. Product Controls.................................................................................................................................................2
3. Before Use.............................................................................................................................................................3
3.1 Inserting Batteries........................................................................................................................................... 3
3.2 Charging the Ni-MH Battery..........................................................................................................................3
3.3 Attaching the Belt Clip....................................................................................................................................3
4. Basic Operations.................................................................................................................................................4
4.1 Turning the Radio On/Off...............................................................................................................................4
4.2 Adjusting the Volume..................................................................................................................................... 4
4.3 Selecting a Channel........................................................................................................................................4
4.4 Selecting a CTCSS/CDCSS Code...............................................................................................................4
5. LCD Icons..............................................................................................................................................................5
6. Call Services.........................................................................................................................................................6
6.1 Initiating a Call.................................................................................................................................................6
6.2 Receiving a Call.............................................................................................................................................. 6
7. Supplementary Features...................................................................................................................................7
7.1 Keypad Lock.................................................................................................................................................... 7
7.2 Scan.................................................................................................................................................................. 7
7.3 Monitor.............................................................................................................................................................. 7
7.4 Power Level (TF-412 only)............................................................................................................................7
7.5 Call Tone.......................................................................................................................................................... 8
7.6 Talk End Tone................................................................................................................................................. 8
7.7 Voice Operated Transmit (VOX).................................................................................................................. 9
7.8 Keypad Tone....................................................................................................................................................9
7.9 Room Monitor................................................................................................................................................10
7.10 Sleep Level..................................................................................................................................................10
7.11 Battery Save................................................................................................................................................11
7.12 Low Battery Alert........................................................................................................................................ 11
7.13 Time-out Timer (TOT)................................................................................................................................11
7.14 Auto Squelch............................................................................................................................................... 11
8. Troubleshooting................................................................................................................................................12
9. Optional Accessories...................................................................................................................................... 14
Channels and Frequencies.................................................................................................................................15