DSC-8V/8VP
B3-10
8.
Power and Frequency measurement of
VHF Radiotelephone
The VHF CH 70 is not transmitted by pressing a PTT switch. To measure the output
power of VHF CH 70, follow the below. The radiotelephone must be set to CH 70.
The VHF radiotelephone TX key line is controlled by the DSC-8V/8VP.
The DSC-8V/8VP muse be set the protection OFF. Refer to section “2. Changing
System settings”.
Protection OFF
INSPECTION TEST < >
INSPECTION TEST < >
TONE MANUAL-CONT DIS-CH
TEST
Tone test < >
MARK SPACE DOT T1 T2
Tone test < Space tone >
Now doing
TONE MANUAL-CONT DIS-CH
Manual cont out < >
IN OUT
Manual cont out < VHF- Key >
OFF
Manual cont out < VHF- Key >
ON
Manual cont out < >
Manual cont out < VHF- Key >
OFF
TEST
Select "TONE", press [ENT] key.
Select "MANUAL-CONT", press [ENT] key.
Select "OUT", press [ENT] key.
Select "VK", press [ENT] key.
Select "MARK or Space", press [ENT] key.
Press [SELECT],
[ ]
key.
MARK tone:1700Hz-400Hz
SPACE tone:1700Hz+400Hz
DOT:1700Hz+400Hz
Press [CANCEL] key twice.
For example, select "Space".
Press [ENT] key.
Press [ENT] key again.
Press [CANCEL] key several times.
Outputting tone signal
Tx ON
(Measurment: power and frequency)
Don't select T1 and T !!
VK
Tx key ON.
156.525MHz
(+10ppm)
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