JTS PT-950B/2, Instruction Manual

Page: 9 / 17

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 shows .
b to change the transmitting frequency.
5.2.1 Activating the lock function
1) First recall the frequency adjusting mode: Keep the
key SET (7) pressed for 2 s.
2) As soon as the indication MHZ flashes in the dis-
play, shortly press the key SET to change into the
lock mode:
flashes in the display (locking
deactivated).
3) Press the key (5): flashes in the display.
4) Memorize the adjustment by pressing the key SET.
is shortly displayed, the adjusting mode is
exited, the unit returns to normal operation.
5.2.2 Deactivating the lock function
1) The power switch (2) must be set to ON.
2) Keep the key SET (7) pressed for 3 s until
flashes in the display.
3) Press the key (6): flashes in the display.
4) Memorize the adjustment by pressing the key SET.
is shortly displayed, the adjusting mode is
exited, the unit returns to normal operation.
6 Specifications
Pocket transmitter
Type of unit: . . . . . . . . PLL multifrequency pocket
transmitter
Radio frequency
range: . . . . . . . . . . . . 740 – 764 MHz
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: . . . . . . . . 78 × 190 × 34 mm
Weight: . . . . . . . . . . . 160 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 pocket transmitter
Connection: . . . . . . . . 4-pole mini XLR plug
Weight: . . . . . . . . . . . 20 g
Subject to technical modification.
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ENGLISH
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