Specifications

GEMINI
2
Traffic Outstation Handbook
667/HB/32600/000 Page 214 Issue 11
2. When the Outstation displays the prompt character ‘-’, type out the appropriate
command and any index necessary, e.g. to determine the DIM/BRIGHT state of the
controllers signal lamps enter KDB to produce the display:
KDB
3. Terminate the command by operating the ENTER (or ‘RETURN’) key. The
Outstation responds by repeating the display with a colon and the required data.
(e.g. Bright state in this example), i.e. KDB: 1
4. Repeat Steps 2 and 3 for each operation using the ‘+’ (or ‘.+’) or ‘-’ (or ‘.-’) keys
where possible to reduce key entry.
NOTE: If the Outstation detects an error on interrogating the command, instead of
the normal response, the Outstation repeats the command display with an
asterisk and error code added. The error codes used are listed in Table 13.2.
13.1.4 Write Procedure (Change Existing Data)
1. Plug the handset into the socket on front of the Outstation.
2. When the Outstation displays the prompt character ‘-’, carry out the appropriate
level access enabling operation (described in information supplied separately to
each Outstation user).
Type out the required command code, any index or indexes necessary, followed by
‘=’ and the required value, e.g. to reset the Power Up state data (second element),
enter ‘PUD 1=0’ which will be echoed back to the handset
3. Plug the handset into the socket on front of the Outstation.
4. When the Outstation displays the prompt character ‘-’, carry out the appropriate
level access enabling operation (described in information supplied separately to
each Outstation user).
Type out the required command code, any index or indexes necessary, followed by
‘=’ and the required value, e.g. to reset the Power Up state data (second element),
enter ‘PUD 1=0’ which will be echoed back to the handset
5. Terminate the command by operating the ENTER (or ‘RETURN’) key. The
Outstation responds to confirm the change by repeating the display with = changed
to colon as shown below:
PUD 1:0
6. Repeat step 3 and 4 for each operation using the ‘+’ (or ‘.+’) or ‘-’ (or ‘.-’) key
where possible to reduce key entry.
NOTE: If the Outstation detects an error on interrogating the command instead of the
normal display an error display comprising the command display with an
asterisk and error code added. The error codes used are listed in Table 13.2.
13.1.5 Alternative Write Procedure (Change Data Following Read)
With access enabled as appropriate, a write procedure may be carried out following
reading of the information to be changed by typing = followed by the new value. This