Technical data

Installation & Operation Manual GM-TTT
Page 21
1.8 After Power-On
After switching on the unit the data of the non-volatile memory will be tested. If the test fails
the display shows “RESET” and the factory values will be stored. If the test passes the unit will
be set into same state as before switching off.
After this test the display shows status messages in three steps. At same time all LED’s
illuminate for test purposes. Steps 1 and 2 show the hardware and software configuration,
step 3 the result of the check of the time zone parameters of the MTD timers A - F.
Step 1, display shows e.g.:
Digit 8
Digit 7 Digit 6 Digit 5
Digit 4
Digit 3 Digit 2
Digit 1
Digits 8 and 7 indicates the type of the unit: “GM”.
Digit 5 shows if there are any modules plugged. Digit 5 shows a hexadecimal
number, with following meanings of the single bits:
Bit 0: =1, if VITC generator is plugged.
Bit 1: =1, if any serial interface (RS485, RS232, RS422) is plugged.
Bit 2: =1, if colour lock module is plugged.
Digit 4 shows the current selection of the USER MODE.
Digits 3 and 2 shows the software revision (e.g. 1.0).
Digit 1 = blank in a standard configuration. Any special configuration will be
indicated by an ‘o’ at this place.
Step 2, display shows e.g.:
Digit 8
Digit 7 Digit 6
Digit 5 Digit 4 Digit 3 Digit 2
Digit 1
Digit 8: =1, if the remote control via serial interface is basically enabled.
Digit 7: reserved.
Digit 6: =1, if the Real Time Reference operation is basically enabled.
Digits 5..3 = blank if digit 6 = 0, else:
Digit 5: indicates the kind of serial interface used to receive real time data
(DCFSIO).
Digit 4 =0: no use of a real time seconds pulse.
=1: seconds pulse is used, rising edge.
=2: seconds pulse is used, falling edge.
Digit 3: indicates the protocol used to receive real time data.
Digits 2 and 1 identifies any special configuration by two numbers.