Summary of EJ-770T
Page 1
[ user manual] uhf-pl stationary transmitter [.
Page 2: Preface
Thank you for purchasing stationary transmitter system ej-770t. Please read this manual to know further about its functions and proper operation way before use. Each part’s name and function......................................................................... Installation before use................
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1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 each part’s name and function power switch (on/off) mic/vol (wired mic volume control) mic/tx (when the light is on, the wired mic signal will be transmitted through ej-770t) aux input/vol (volume control) aux/tx transmitting indicator (for uhf...
Page 4: Installation Before Use
2 5v off/on condenser unbal. Mic in installation before use 1. Install antenna please attach the antenna enclosed in the box onto the antenna hole (14) on the rear panel. Screw it in and adjust the antenna angle. Connect ej-770t’s aux out to amplifier’s line in or aux in connect cd player or other s...
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3 af level operation & functions of the ej-770t front panel 1 2 3 4 5 a b c d e f 12 13 lcd (showing channel/frequency) tx transmitting indicator af transmitting indicator/ af volume level indicator frequency set channel selector ej-770t uhf transmitting module/ power & volume a. B. C. D. E. F. 1. T...
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Operation & functions of ej-770t front panel 4 3. Wired microphone signal being transmitted via tx module press “mic tx (3)” first, if the red light underneath is on that means wired mic’s signal is successfully transmitted. Vice versa. Note: no matter “mic tx (3)” is pressed or not, wired mic’s sig...
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5 operation & functions of the uhf body pack receiver (ej-7r) 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 power/volume turn clockwise, if you hear a “click” that means the unit is on. Keep turning clockwise you can adjust its volume. Vice versa. Power/volume this light will show red when ej-7r is on, ...
Page 8: How To Use
6 open battery cover. Putting in battery correctly according to polarity . 2 pcs of ni-mh 1,600 mah batteries are required; otherwise alkaline batteries are suitable too. Operation & functions of the uhf body pack receiver (ej-7r) 7 charging end to recharge ej-7r you need its own charging set “hdc-7...
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7 turn on receivers and adjust to the same channel as transmitter (ej-770t). Example: in interpretation occasion: to set up the equipments in multi-language occasion such as seminar or international conference, please refer to the chart below. The audience can tune in different language translations...
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8 ej-770t ej-770t ej-770t installation chart — receiver (ej-7r) and transmitter (ej-770t) example: set up different channels for each section in the exhibition. Transmitter location: put away from the wall at least by 1 meter (up, down, depth), clear up any obstacles between transmitters and receive...
Page 11: Trouble Shooting
9 trouble shooting specifications 1. Be sure you have connected the power supply. 2. Turn on the power switch. 1. Be sure volume is adjusted to appropriate level. (button #. 11) 1. Be sure that antenna is fixed firmly. 10~30 mw 6.3 Ø-mic in, xlr-mic in, rca-aux in 700 mv 1 v balanced/unbalanced 10 m...
Page 12: Specifications
Specifications 10 oscillation mode receiver frequency range frequency width dynamic range t.H.D. Pre/de-emphasis antenna rf spurious rejection adjacent channel performance imd rejection double intermediate aux out audio level earphone jack battery ni-hm. Rechargeable battery life alkaline disposable...
Page 13: Memo
Memo 11.
Page 14: Memo
Memo 12.
Page 15: E-J Electronics Co., Ltd.
Sound & communication 2008-05-770t e-mail:okayo@okayo.Com www.Okayo.Com e-j electronics co., ltd. Tel:886-4-2407-1617 fax:886-4-2407-1609 4f, no.11, lane 125, sec 1, kuo kwang rd., ta li city, taichung hsien, taiwen.