Channel flags are stored at channel record offset 0x0C.
| Bit | Mask | 0 | 1 |
|---|
| 7 | 0x80 | Frequency hopping off | Frequency hopping on |
| 4 | 0x10 | Included in scan | Excluded from scan |
| 3 | 0x08 | Low power | High power |
| 2 | 0x04 | FM | NFM |
| 1 | 0x02 | Analog | Encrypted digital |
| 0 | 0x01 | Busy lock on | Busy lock off |
Bits 0–4 at channel record offset 0x0D contain encryption key 0–31. Bits 5–7 are reserved.
| Absolute address | Offset | Field | Encoding |
|---|
0x02B0 | 0 | Voice prompt | 00 off, 01 on |
0x02B1 | 1 | Prompt language | 00 English, 01 Chinese |
0x02B3 | 3 | VOX | 00 off, 01 on |
0x02B4 | 4 | VOX gain | 01–05 |
0x02B6 | 6 | Low-voltage TX inhibit | 00 off, 01 on |
0x02B7 | 7 | High-voltage TX inhibit | 00 off, 01 on |
0x02B8 | 8 | Alarm | 00 off, 01 on |
0x02B9 | 9 | Noise reduction | 00 off, 01 on |
| Absolute address | Offset | Field | Encoding |
|---|
0x03C0 | 0 bit 0 | Key tone | 0 off, 1 on |
0x03C0 | 0 bit 1 | Battery saver | 0 off, 1 on |
0x03C1 | 1 | Squelch | 00 always open, 01 normal, 05 enhanced, 09 strict |
0x03C2 | 2 | Side key | 00 off, 01 monitor, 02 power, 03 alarm |
0x03C3 | 3 | TOT | 00 off, 01–0A for 30–300 seconds |