Dsc Space And Mark Measurement - JRC JSS-296 Service Manual

4.5.3

DSC Space and Mark Measurement

Procedure
(a) Connect the frequency counter to Pin No.4 (Line out(+)) and Pin No.5 (Line out(-)) of the
TRX/NMEA.
(b) Change the switch (SW1) No.4 to off before power on. And then both press
SWITCH" to access the following the "INSTALLATION SETUP" menu.
(c) Select "SPACE signal send" or "MARK signal send" using
Transmission of the space or mark signal starts.
(d) Measure the frequency.
The standards are as follows:
SPACE signal
MARK signal
STOP
(e) Press
(f) When measurement is complete, press
60
TRX/NMEA
1 2 3 4
Line out (-)
Line out (+)
INSTALLATION SETUP
Self-ID : 111111111
Group-ID : 022222222
Navigation : NMEA0183
Serial cont: ON
Data clear : OFF
SPACE signal send
MARK signal send
DOT signal send
70-TIME MESSAGE send
WKR frequency : 2,187.5
WKR step test
History
: 1785Hz±0.5Hz
: 1615Hz±0.5Hz
to terminate the transmission.
5 6 7
▲
. The "Initial setting edit" display closes.
STOP
and "POWER
MENU
▼
/ and then press
ENT
.