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10. APPLICATION
10-1 Connection to a Cassette Tape Recorder
10-1-1 Recording
(1) Set the mode and speed.
(2) Connect AFSK OUT jack to the microphone terminal of the recorder.
(3) Set GAIN control of the back panel to the medium level so as to prevent excess input to
a tape recorder.
(4) Put the recorder in recording mode.
(5) Send the data which you want to record from the Θ-9000E.
(6) Stop the cassette tape recorder after the data transmission is completed. Make sure to
let the cassette tape run for a few seconds before stopping.
10-1-2 Play back of the data
(1) Adjust the mode and speed to the recording state of cassette tape recorder.
(2) Clear the screen if required.
(3) Connect the speaker terminal to AF IN jack in CW, RTTY mode and connect to KCS IN
jack when using with ASCII KCS mode.
(4) Adjust the volume of the cassette tape recorder to make output level about 100 mV ~
1 Vpp when connected. Any tone adjustment should be at HIGH at this moment.
(5) Sentences are read and displayed on the screen when play back starts.
Depressing
ESC E
, outputs the received data to AFSK OUT, CW, FSK, RS232C OUT
jacks at the same time as the reading. You can use another tape recorder for storage.
To release this function, re-depress
ESC X
.
10-2 Connection to the equipment with RS232C Input/Output
(1) The Θ-9000E provides the input/output terminal of RS232C.
SHIFT
|
INPUT
·
CASE #
·
3
should be depressed. Operate the unit in INPUT=RS232C
status.
(2) When you desire to use as CRT terminal, refer to 7-5.
11. MAINTENANCE
11-1 Battery replacement for the battery-backed-up memory
i)
Battery should be replaced once a year.
ii)
Two dry batteries of SUM-(3) 1.5 V should be used.
iii)
Remove two M4 screws at the bottom and two M4 screws in the back of this unit
and set the battery in the battery holder on the CPU circuit board.
Pay attention to the polarity!
11-2 Fuse replacement
If the fuse burns out, replace it with the spare provided. The fuse holder is on the electric
power circuit board.
11-3 Light pen
Keep the lens in the tip of the light pen clean.
Summary of Contents for Theta-9000e
Page 1: ...9000E COMMUNICATIONS TERMINAL...
Page 71: ...68 9000E BLOCK DIAGRAM...