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K
EYPAD
4.3.5 Control Byte
Validity: all systems
The control byte is used to select the synchronisation source for the system 7001 and to set
up the display control.
Selection screen
SET CONTROL BYTE Y/N
Input screen
OLD BYTE >00000001<
NEW BYTE >_ <
The function of the individual bits is as follows:
B7 Simulation of the synchronisation status "Radio"
0
Status of synchronisation is only set by the synchronisation source
Activating the operation mode R_SIM with simulation of the synchronisation status
1
"Radio"
B6 reserved
0
reserved, default: '0'
B5
B4
0
0
0
1
1
0
1
1
B3 B2 B1 B0
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
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hopf Elektronik GmbH
Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: info@hopf.com
display control
The display is permanently on.
The brightness of the display is reduced to approx. 1/4 of normal intensity.
The display is switched off. Only a moving dot is visible on the display.
The display is switched off. Only a moving dot is visible on the display. In
addition, the brightness of the dot is reduced to 1/4 of normal intensity.
ID code
Synchronisation Source
Quartz clock - synchronisation by quartz generator on
0
QUARTZ
board only.
1
not implemented
QUARZ+
0
Synchronisation via a DCF77 pulse.
DCF_T
1
not implemented
DCF_A
Synchronisation via a serial Master/Slave-String from
0
MA_SL
another hopf system.
1
Synchronisation via a GPS receiver.
GPS_M
Synchronisation via a DCF77 pulse + synchronisation via
0
DCF_T+
a serial Master/Slave-String from another hopf system.
1
not implemented
DCF_A+
Synchronisation via a GPS receiver + synchronisation via
0
GPS_M+
a serial Master/Slave-String from another hopf system.
7001GPS Satellite Clock System - V08.00
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