Uniden UH8050S Owner's Manual page 26

Operation
To select MASTER SCAN Mode:
1. Press [MENU] four times.
The M.SCAN setting flashes.
2. Turn the Rotary Channel Selector to change the setting.
oF: Master Scan is OFF - Scan mode becomes Open Scan or Group Scan depending
on GS option setting
on: Master Scan is ON with the current GS channel memory. Open/Group Scan is
disabled.
P1: Master Scan is ON with loading CH09-20 in GS.
P2: Master Scan is ON with loading CH21-30, 39, 40 in GS.
P3: Master Scan is ON with loading CH49-60 in GS.
P4: Master Scan is ON with loading CH61-70, 79, 80 in GS.
3. Press [MENU] one more time.
4. Turn the Rotary Channel Selector to select the desired Subcode (CTCSS or DCS).
5. Press and hold the [MENU] to save and exit from the Menu Mode.
If a button is not pressed within 10 seconds the UHF CB Radio will
automatically exit the Menu Mode.
NOTE
UNIDEN UH8050S
26
UHF CB Transceiver