Motorola RDX SERIES RDU4100 - Manual (Page 42)

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value. If you short press the PTT button again,
the radio will signal you the second digit value.
Figure 2: Reading Frequencies Values
Reading CTCSS/DPL Values
If you continue short pressing the PTT button
as shown in Figure 1: Entering Programming
Mode on page 37 (stage 2), the radio will move
forward to programming CTCSS/PL Codes.
When reading the values for CTCSS/PL Codes
the radio signals you the digit codes each time
you short press the PTT button.
You will have to read three digits as RDX
Series™ have up to 122 codes available (refer
to “Frequencies and Codes Charts” Section).
The following is an example of the order in
which your radio will be signaling the ‘118’
CTCSS/DPL code:
Figure 3: Example of How to Program Values
• Short press the PTT button. The radio will signal
you the first digit ‘1’.
• Short press PTT button again and the radio will
show the second digit ‘1’ and,
• Finally, short press PTT again and radio will show
the third digit ‘8’.
Mode Idle
Programming
PTT First
Digit
Second
Digit
PTT
Frequencies
First
Digit
CTCSS
PTT
PROGRAMMING M
PTT
Long
PTT Long
PTT
1 2