17
General Settings
Squelch Level Setting
The adjustable Squelch allows you to optimize the receiver sensitivity. There are 5 levels of sensitivity.
On the
Squelch Level
drop down menu select a level from 1 to 5
.
The screen will display
Level 1 is the most sensitive level; the radio can receive the weakest signals.
Level 5 is the least sensitive level; the radio can only receive the strongest signals.
Squelch level can also be altered using the
func
key on the radio. Any altered setting will be read from the radio by
software (see
How to read data from your radio
)
Squelch can be opened manually with the
mon
key on the radio.
Keypad Lock Setting
This feature locks the radio from accidental changes.
On the
Keypad Lock:
dropdown menu click
Enable
or
Disable.
The screen will display
Keypad Lock can also be altered manually using the
func
key on the radio. The setting altered will thereafter be read
from the radio by software (see
How to read data from your radio
)
CTCSS Values:
CTCSS is supported by a standard set of 38 tone frequencies or an extended set of 50 (12 non-standard) tone
frequencies.
On the
CTCSS Code:
drop down menu select either 38 or 50
.
The screen will display
Either setting also allows for use of 83 standard CDCSS code words. Carrier level squelch is also supported.
Both CTCSS and CDCSS are disabled using the value 0.0 Hz (displayed on the radio LCD as 0.) Squelch then
operates on the sensed signal level only.
If a 38 tone set is selected, a code value will be displayed on the radio LCD as 0 to 121. If 50 is selected, the value is
displayed as 0 to 133.
