
Introduction
Thank you for purchasing LP-4604+ radio manufactured by
Wintec. Based on the ever-changing innovative tec hnology, we
have been able to develop many different wireless products that
have gained widely consumers' affection. Besides our
appreciation for your love of our products, we even wish you to
be attentive to new product information. Your precious comment
will be appreciated by us. Please read through the manual
carefully to learn whole features of this model.
Safety Information
1. Use only the supplied antenna. Unauthorized antennas,
modifications or attachments could damage the radio and
changes or modifications not expressly approved by the party
responsible for the compliance could void the authority to
operate the radio.
2. Avoid storing in high temperature or humid place for long time.
3. If strange smell or smoke comes off the radio, dispatch it to
service center immediately.
4. Turn to lowest volume if external mic/speaker is us ed, then
adjust appropriately.
5. Never use other power sources for charging other than the
standard charger set designed for this radio model.
6. Take off battery pack if out of use for long time.

Features
16 levels of VOX (Voice-Activate feature) with quick VOX
capability ON / OFF.
Auto-power saving mode / Auto-power–off / Transmit
time-out-timer.
16 programmable channels / 5 programmable function keys.
Frequencies and DCS / CTCSS setting of transmit and
receive per channel.
262 CTCS S / DCS / User Define supported.
End of Call confirm at i on tone and 7-Call Alert T one.
SOS / PRI. / Scan channel setting.
Talk Around supported.
Channel / PRI. SCAN supported.
Voice scramblers supported.

Specifications-----------------------------------------------------------
Contents
Radio Controls / Functions----------------------------------------Operation Guide------------------------------------------------------Low Battery Power Warning---------------------------------------Installing / Rem oving Battery Pack------------------------------Battery Charging-----------------------------------------------------CTCSS Code T ab le--------------------------------------------------DCS Normal and Inverse Code------------------------------------
1
2
8
9
10
11
12

Radio Controls / Functions
7. PTT key (Push-To-Talk)
2. External speaker jack 8. Programmable keypad P1~P4
3. External microphone jack 9. Antenna
Programmable key P0~P4 Default
P0: Monitoring
P1: Keypad Lock / Unlock
P2: TX Power Adjustment
P3: Scan Channels
P4: SOS Channel
1

Operation Gui de
Power ON / OFF
- Rotate the Power / Volume knob clockwise to switch power
ON. When the click sound of switch and the melody is heard,
the transceiver is powered.
- Rotate the Power / Volume knob anticlockwise to switch t he
power OFF. When the click sound of switch is heard, the
transceiver's power is turned off.
Transmitting / Receiving
Rotate the Channel knob to the desired channel, press and hold
PTT button. The LED lamp turns red during transmission.
Release PTT button for the transceiver for receiving. During
receiving, LED light turns to green.
※Keep about 5~10cm from microphone area when speaking
slowly and clearly.
Volume Adjust ment
- Rotate the Power / Volume knob slowly to avoid outburst of
sound harmful to ears. Adjust volume to an appropriate level.
- Rotate the Power / Volume knob in clockwise direction to
increase volume. Rotate Power/Volume knob anticlockwise to
decrease volume.
※Caution: For external mic / ear user, adjust volume starting
from the lowest level.
Assignment of Channels
※Program the frequency of channels in advance.
- There are channels 1 ~ 16 selectable by Channel knob.
- If select any unedited channel, speaker sounds beeps and
LED lamp stays on red.
2