UNIDEN Model UH400SX,
Operation
40 RX Channels
The radio has 40 receive only channels (CH41 to CH80) which can be programmed with frequencies ranging from
Manual Programming
Turn power off.
Press and hold [DUAL/MON] at the base or [SQL/MON] on the Remote SPK/MIC while turning power on (pressing power switch on the base or [POWER] on the Remote SPK/MIC).
The channel indicator flashes the lowest available empty channel. You may use the rotary channel selector at the base or 
on the Remote SPK/MIC to select another channel from CH41 - CH80.
Press [MEM]. The MHz digits of the frequency indicator flashes. Turn the rotary channel selector at the base or press 
on the Remote SPK/MIC to select the desired MHz.
Press [
/MENU/ENTER] and [SCAN/OS/GS/
] at the base or [
/OS/GS/SCAN] and [DCS/CTCSS/DUAL/
] on the Remote SPK/MIC to change from the MHz digits to the kHz
digits of the frequency, turn the rotary channel selector at the base or press on the Remote SPK/MIC to select the desired kHz.
When finished press [MEM]. The channel indictor flashes. Turn rotary channel selector at the
base or press 
on the Remote SPK/MIC to select next channel for programming or press and hold [MENU/ENTER] to store setting.
A confirmation tone sounds. The channel is also entered into OS scan memory.
Deleting a programmed RX Channel frequency:
Follow the steps in Manual Programming to enter a frequency for a desired channel.
Select 000 for the MHz digits and then press [MEM]. Select another channel to edit or press and hold [MENU/ENTER] again to exit programming mode.
25
uh400sx, uh500sx,
1/2/08 1:31:28 PM