2-5. Input Level Range Confirmation and Level Setting
2-6. Analog Signal Indicator Confirmation
2-5. Input Level Range Confirmation and2-6. Analog Signal Indicator
Level SettingConfirmation
Measurement EquipmentMeasurement Equipment
Audio distortion meter, BKPF-201 Audio distortion meter, BKPF-201
PreparationPreparation
1. Connect each equipment. (Refer to Fig.1 in Section 2-1. Connect each equipment. (Refer to Fig.1 in Section 2-
1-2.)1-2.)
2. Turn on the power of the main unit (PFV-D20/D50/2. Turn on the power of the main unit (PFV-D20/D50/
D100A/D200A/D300) and warm up for ten minutes.D100A/D200A/D300) and warm up for ten minutes.
ProceduresProcedures
1. Provide the output signal from the ANALOG OUT1. Provide an analog audio signal of 1 kHz, _24 dBm
AUDIO 1 connector to an audio distortion meter, andfrom an audio signal generator to the ANALOG IN
read the level.AUDIO L connector of BKPF-201.
2. Turn 1RV101 (A-5) counterclockwise until the clutch2. Confirm that D504 (A-4) [1] lights.
is activated and clicks. Confirm that the level is less3. Confirm that D504 goes off when the input signal
than _10 dBm.level is lowered to _28 dBm.
3. Turn 1RV101 clockwise until the clutch is activated4. D604 (A-5) [2], D704 (A-6) [3], and D804 (A-6) [4]
and clicks. Confirm that the level is more than +8are also the same in procedures as described above.
dBm.Confirm according to steps 1 through 3.
4. Turn 1RV101 so that the audio output level is +4 ?0.1
dBm.
5. The ANALOG OUT AUDIO 2 through 4 connectors
are also the same in procedures as described above.
Confirm and adjust the volumes below according to
steps 1 through 4.
. ANALOG OUT AUDIO 2 connector: 1RV201 (A-5)
. ANALOG OUT AUDIO 3 connector: 1RV301 (A-6)
. ANALOG OUT AUDIO 4 connector: 1RV401 (A-6)
2-6(E)BKPF-206/206R |