JTS PT-920BG/2, Инструкция по эксплуатации

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4) Use the cursor keys to adjust the transmission
channel: With the key , the channels will be
scanned in descending order; with the key , they
will be scanned in ascending order.
5) To memorize the adjustment, press the key SET. The
display will shortly show , the adjusting mode
will be exited, and the unit will go to normal operation.
5.2 Locking/Unlocking the unit
With the unit locked, it is not possible
a to switch off the unit; if the power switch (2) is set to
OFF with the unit locked, the display will show
.
b to recall the adjusting mode for the transmission
group and the transmission channel.
5.2.1 Activating the locking function
1) Keep the key SET (8) pressed for 2 s until the dis-
play shortly indicates . Then shortly press the
key SET twice again so that flashes on the
display (locking deactivated).
2) Press the key (5): flashes on the display.
3) To memorize the adjustment, press the key SET.
The display will shortly indicate , the adjusting
mode will be exited, and the unit will go to normal
operation.
5.2.2 Deactivating the locking function
1) The power switch (2) must be set to ON.
2) Keep the key SET (8) pressed for 3 s until
flashes on the display.
3) Press the key (6): starts flashing on the
display.
4) To memorize the adjustment, press the key SET.
The display will shortly indicate , the adjusting
mode will be exited, and the unit will go to normal
operation.
6 Specifications
Pocket transmitter
Type of unit: . . . . . . . . PLL multifrequency pocket
transmitter with pilot tone
Radio frequency
range: . . . . . . . . . . . . 518 – 542 MHz, divided into
64 channels (
→
table fig. 3)
Audio frequency
range: . . . . . . . . . . . . 40 – 18 000 Hz
Frequency stability: . . ±0.005 %
Transmitting power: . . 10 mW (EIRP)
Ambient temperature: 0 – 40 °C
Power supply: . . . . . . two 1.5 V batteries
of size AA (R6)
Dimensions:. . . . . . . . 70 × 190 × 30 mm
Weight: . . . . . . . . . . . 130 g
Microphone
connection: . . . . . . . . 4-pole mini XLR jack
1 = ground
2 = 5 V operating voltage for the microphone
3 = signal input
4 = impedance matching
Lavalier microphone CM-501
Microphone type: . . . . electret microphone
Directivity: . . . . . . . . . cardioid
Frequency range: . . . 100 – 15 000 Hz
Impedance: . . . . . . . . 2.2 kΩ
Sensitivity: . . . . . . . . . 3.2 mV/Pa at 1 kHz
Max. SPL: . . . . . . . . . 130 dB
Power supply: . . . . . . via the pocket transmitter
Connection: . . . . . . . . 4-pole mini XLR plug
Weight: . . . . . . . . . . . 20 g
Subject to technical modification.
9
ENGLISH
®
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