6-4
■ ABOUT THE TEST SCREEN
1 <Connect> and <Disconnect> buttons
Click <Connect> to load the repeater setting data onto the PC.
Click <Disconnect> to exit the repeater test.
NOTE:
Check the following if an error message appears.
• The correct port number is set in the [COM Port] menu.
• The repeater and PC are correctly connected together with the
programming cable.
• The repeater is turned ON.
2 Model
“VHF” is displayed when the repeater setting data has been
successfully loaded.
3 RX Frequency / TX Frequency
Sets the uplink (RX) or downlink (TX) frequency (in MHz).
Double-click on the item and enter the frequency using the
PC’s keyboard, then push [Enter].
Enter the frequency of up to 6 digits (in MHz).
The settable frequency range may differ, depending on the
repeater version.
4 TX/RX Frequency (DD)
5 Mode
Sets the operating mode.
Double-click on the item and set the mode to “FM” (Analog
audio) or “DV” (Digital audio).
6 Band Width (FM)
Sets the pass bandwidth in the FM mode.
Double-click on the item and set the bandwidth to “Wide” or
“Narrow.”
• This item can be set when the “Mode” item is set to “FM.”
7 Filter (FM Narrow)
Sets the IF filter pass bandwidth in the FM mode.
Double-click on the item and set the bandwidth to “10k”
• This item can be set when the “Mode” item is set to “FM.”
On the Test screen, you can temporally change the repeater settings to test the repeater operation.
• Perform the Repeater All Reset after you have changed all the necessary settings on this screen, checked the result, and finished the test.
Click <Disconnect>, then Repeater All Reset.
1
2
3
4
5
6
7
8
9
“Mode”
item
“DV Check
Mode”
item
“Repeater
Relay”
item
Transmit signal
FM –*
1
ON Non-modulated signal
FM –*
1
OFF Externally applied AF signal
DV OFF
ON The DV signal and carrier.*
OFF
The coded data (AMBE) of
externally applied AF signal
DV ON –*
1
The signal with the pattern that
is selected in “TX Pattern (DV
Check Mode)”
*
1
Does not affect the transmit signal.
*
signal.
(This screen is an example.)
8 Speaker Volume
Sets the output signal level of the [SERVICE] jack.
increase or decrease the audio output level.
• The received audio signal (the demodulated signal in the FM mode
or the decoded digital signal in the DV mode) is output from the
[SERVICE] jack.
9 Squelch Level
Sets the noise squelch level.
increase or decrease the squelch level.
• When you set to “0,” the squelch is forcibly opened.
TX
Turns the test transmission ON or OFF.
Double-click this item and select “ON” to start transmission.
Select “OFF” to stop transmission.
Repeater Relay
Turns the repeater relay operation ON or OFF.
Double-click on the item and select “ON” to turn ON the relay
operation (Normal repeater operation).
Select “OFF” to inhibit the transmission (The repeater does
not transmit even when an uplink signal is received.)
DV Check Mode
Turns the DV Check Mode ON or OFF.
When “ON” is selected, clock and data signals for the RX
decoding are output from the SD card slot, and the downlink
signal with the test pattern that is selected in the “TX Pattern
(DV Check Mode)” is transmitted.
• This item can be set when the “Mode” item is set to “DV.”
•
You need to restart the repeater when changing the selection from
“ON” to “OFF.” Restart the repeater by following the instructions that
are displayed when you select “OFF.”
TX Pattern
Selects the test pattern of the transmit signal (downlink signal).
Normal: Received signal is transmitted. (Normal repeater
operation)
0/1 Repeat: Data bits “0” and “1” are repeatedly transmitted.
PN9
PN15: PN15 data is transmitted.
All 1: Only data bit “1” is transmitted.
All 0: Only data bit “0” is transmitted.
• This item can be set when the “DV Check Mode” item is set to “ON.”
About the transmitted signal
The repeater transmits the following signal (if there is no uplink
signal received), depending on the related item settings.