PT260 Service Manual
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will be intermittent when the signal is very weak).
Press the “Monitor” key, Green LED indicator lights, and the
radio is in monitor state.
4.1.11 Busy Channel Lockout
If BCL is enabled, the radio cannot transmit on the busy
channel. Press the PTT button on the busy channel, an alert tone
sends out, and the transmission is disabled.
4.1.12 PC Program
The user can set the functions and adjust the parameters of
the radio through the program software KSP260.
4.1.13 Wired Clone
The data stored in the radio can be transmitted to the radio
with the same type with the wire.
4.1.14 Squelch Circuit Level
The squelch circuit is used to mute the speaker when no
signal is received or the receiving signal is very weak. If enabled,
the sound from the speaker will be heard; if disabled, no sound will
be heard. The squelch level determines when the squelch can be
turn on or off during the receiving. If the squelch level is set too
high, the weak signal cannot be received completely; if it is set too
low, your radio will often be interrupted by the noise or other
irrelevant signals. The squelch level can be set to 0-9.
4.2 Functional Parameters Setting (PC mode)
The radio has set the factory settings before leaving the
factory. However, due to the user’s different needs to the radio, the
user may reset the working frequency, channels, CTCSS/DCS and
automatic scan etc, of the radio. Thus, Kirisun has specially
designed a set of Chinese/English programming software KSP260
with friendly interface, convenient operation and visualized display
for setting functional parameters of the radio.
Steps for setting the functional parameters of the radio by
computer are as follows:
a. Install KSP260on the computer.
b. Connect the radio to the serial port of the computer with the
special programming cable. The method refers to the figure 4.1.
Figure 4.1
c. Turn the computer power ON.
d. Turn the radio power ON.
e. Double click KSP260.exe to run the software.
f. Click “Read” in the main menu of KSP260 to read parameters of
the radio to the computer; click “Write” to write parameters in the
computer to the radio.
g. The following parameters can be set by using KSP7800
according to requirements of the user:
1) The Rx and Tx frequency of each channel
2) The Rx and Tx signaling of each channel
3) Busy Channel Lockout
4) TOT
5) Squelch level
6) Battery saving
7) Monitor
8) Scan
9) Scan revert channel
10) Scan priority channel
Please refer to the “Help” document of KSP260 for details.
Note:
1. Before connecting, please turn the radio power OFF.
2. When the computer reads the data from the radio, Red LED
indicator flashes and operation to the PTT button is forbidden;
when the computer inputs the data to the radio, Green LED
indicator flashes.
3. Before the edit, you should read out the data in the radio and
backup them.
4. If the radio cannot work after the edit, please open the backup
data and reedit them.
5. “Model Information” contains important information about the
radio and is unchangeable.
4.3 Test Mode
Connect the radio to the serial port of the computer with the
special programming cable (see figure 4.1).
Attention: Please connect 50Ωhigh frequency load to the
antenna connector of the radio or connect the radio to the
comprehensive test equipment before test.
The following parameters can be set under the test mode by
KSP260:
PC
（RS232 serial port）
Programming cable
（KSPL02）
Radio
（Speaker/Mic jack）
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