User Manual

OPERATION GUIDE.
OG_CDP-02E-R-457M_v11e Circuit Design, Inc.
9
CHANNEL AND FREQUENCY SETTINGS
By use of a chip mounted 4-bit switch or pins and a jumper on the PCB, you can select easily between the 32
channels. The 32 channels are divided into 2 groups: Group A and Group B. Each group of channels can be
selected by soldering the jumper ON or OFF. When the jumper (JP2) is ON, Group A is selected. When the
jumper is OFF, Group B is selected. There are 16 channels in each group and they can easily be selected using
the 4-bit switch. Before shipment all the modules are set to Group A channel 5. (457.6 MHz)
Channel Table
4-bit Switch * 4-bit Switch *
Ch
Freq.
(MHz)
1 2 3 4
Jumper Ch
Freq.
(MHz)
1 2 3 4
Jumper
A1 457.5000 ON ON ON ON ON B1 457.5125 ON ON ON ON OFF
A2 457.5250 OFF ON ON ON ON B2 457.5375 OFF ON ON ON OFF
A3 457.5500 ON OFF ON ON ON B3 457.5625 ON OFF ON ON OFF
A4 457.5750 OFF OFF ON ON ON B4 457.5875 OFF OFF ON ON OFF
A5 457.6000 ON ON OFF ON ON B5 457.6125 ON ON OFF ON OFF
A6 457.6250 OFF ON OFF ON ON B6 457.6375 OFF ON OFF ON OFF
A7 457.6500 ON OFF OFF ON ON B7 457.6625 ON OFF OFF ON OFF
A8 457.6750 OFF OFF OFF ON ON B8 457.6875 OFF OFF OFF ON OFF
A9 457.7000 ON ON ON OFF ON B9 457.7125 ON ON ON OFF OFF
A10 457.7250 OFF ON ON OFF ON B10 457.7375 OFF ON ON OFF OFF
A11 457.7500 ON OFF ON OFF ON B11 457.7625 ON OFF ON OFF OFF
A12 457.7750 OFF OFF ON OFF ON B12 457.7875 OFF OFF ON OFF OFF
A13 457.8000 ON ON OFF OFF ON B13 457.8125 ON ON OFF OFF OFF
A14 457.8250 OFF ON OFF OFF ON B14 457.8375 OFF ON OFF OFF OFF
A15 457.8500 ON OFF OFF OFF ON B15 457.8625 ON OFF OFF OFF OFF
A16 457.8750 OFF OFF OFF OFF ON B16 457.8875 OFF OFF OFF OFF OFF
* A5: Default setting 4 bit switch: ON = L (GND) OFF = H (Open)
JP2: Frequency Group Setting (Switch: ON = “L” / OFF = “H”)
Group A: Jumper ON Group B: Jumper OFF (Default)
(Example) Set to channel B10 (457.7375 MHz)
Group B: JP2: Jumper OFF Dip Switch: OFF, ON, ON, OFF (ON: Short to GND)
Position of the JP1, JP2 and DIP SW
POWER SETTING
CDP-TX-02E-R can be set to either 10 mW or 1 mW by a jumper on the PCB.
JP1: Power Setting (Switch: ON = “L” / OFF = “H”)
10 mW: Jumper ON (Default) 1 mW: Jumper OFF
JP1
CDP-TX-02E-R
JP2
CDP-RX-02E-R
JP1