Oricom DTX4200 Operating Instructions Manual page 15

For example we are removing CH02 from the scan. You may want to
remove this channel due to constant noise.
1. Press SC/RM button for 2 seconds.
2. Scanning will resume.
3. Channel 02 is removed from this scan.
Scan
RM Scan
Note: Up to 10 channels can be removed for the current scan.
Group Memory Scan
Memory scan must be stored to the memory channels in groups A to C.
Refer to memory recall function on page 16.
1. Press MR/MW button to change between A, B, C and flashing A, B, C.
When A, B, C are flashing, then all groups will be scanned starting
in selected group. When A, B and C are not flashing, then only the
selected group will scan.
2. Press Scan button to start group scan.
The MS-SC sub menu display appears on the LCD.
3. To stop Group memory Scan, press SCAN/RM button or PTT.
Group Tone Scan
When Group Tone Scan is enabled, it will allow continual communication
across congested channels.
Group tone scan channels stored into Group memory scan and only
opens the squelch for signals with the correct subcode (38 CTCSS or
104 DCS tone).
To achieve this, all radios in your group must have the same channels in
A, B, C memory (group memory channels) and use the same Subcode
(38 CTCSS and 104 DCS tone).
1-2-3-4-5-6-7 ..... 77-78-79-80
1-3-4-5-6-7 ..... 77-78-79-80
Operations
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