4.13Squelch (AT S159)
This command sets the squelch threshold to one of 10
This command enables the user to reduce the chances of local interference showing the channel to be busy which could reduce the occupancy of the system.
|
|
|
|
Squelch Level | Level at RF Input |
| |
| ( dBm ±2dB) |
| |
1 | < |
| |
|
|
|
|
2 | to |
| |
|
|
|
|
3 | to |
| |
|
|
|
|
4 | to |
| |
|
|
|
|
5 | to |
| |
|
|
|
|
6 | to |
| |
|
|
| |
7 |
| ||
|
|
|
|
8 | to |
| |
|
|
|
|
9 | to |
| |
|
|
| |
10 | > |
| |
|
|
| |
Table 6 | Squelch Levels |
The command for setting the squelch is
| AT S159=n<CR><LF> |
Where: | n = squelch threshold with value 1 to 10 |
Default: | 2 |
Read | AT S159?<CR><LF> |
Read Return: | nn<CR><LF> |
Example: | AT S159=10<CR><LF> sets the squelch to 10 |
Hermes Operator Note | Page 18 of 32 |