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4) Further details
4.1) Mode I
In Mode I the command associated with the transmitter keys is fixed
(table A5). In Mode I only one memorisation phase is performed for
each transmitter and only one memory location is occupied. Dur-
ing memorisation in Mode I it is not important which key is
pressed on the transmitter.
4.2) Work time
The SRCR 140 A control unit enables entry of a work time, i.e. the maximum time for which the electronic board controls the motor to reach
the up or down limit switch; the factory setting or reset value after clearing the memory is approx. 150 seconds. If required, the work time can
be modified from a minimum of 4 seconds to a maximum of 240. The programming procedure is performed in "self-learning" mode, i.e. by
measuring the time required for the entire manoeuvre. With a transmitter or the external pushbutton, the motor must be activated through to
the least difficult manoeuvre, until the next manoeuvre is the most difficult, normally rewinding. It is recommended to program the work time
with a few seconds more than the time strictly needed for the manoeuvre (point 5 in table A6). The work time can be programmed either with
a transmitter memorised in Mode I, or with the programming pushbutton, but not with a transmitter memorised in Mode II.
To program the work time with a transmitter in Mode I, proceed as follows.
Table "A6"
Work time programming with a transmitter in Mode I
Press and hold the key ■ of a memorised transmitter for at least 5 seconds,
1.
after which release.
Press key ■ again for at least 5 seconds, after which release.
2.
Briefly press the key ▲ (▼) to start the manoeuvre and activate the time counter.
3.
4.
Wait for the motor to complete the manoeuvre and stop at the limit switch.
Wait a few more seconds and then briefly press the key ■ to stop the time counter.
5.
Note. If the user wishes to reset the factory time of 150 seconds, at point 3 s/he must press key ■ until s/he sees the first of 3 flashes indicat-
ing programming has taken place.
To program the work time with the programming pushbutton, proceed as follows.
Table "A7"
Work time programming via the programming pushbutton
1.
Press and hold the programming pushbutton.
2.
Wait for the LED to illuminate, then wait for it to turn off, followed by a flashing sequence,
then release the pushbutton on exactly the first flash.
3.
After 4 short flashes the manoeuvre is started and the counter phase is activated.
4.
Wait for the motor to complete the manoeuvre and stop at the limit switch.
5.
Wait a few more seconds and then briefly press the programming pushbutton to stop
the time counter phase.
6.
3 long flashes confirm memorisation of the new work time.
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Table "A5": memorisation using Mode I
Key
Command
Key ▲ or 1
Up
Key ■ or 2
Stop
Key ▼ or 3
Down
Key 4
"Hold-to-run" Down
Example
5s
(
)
5s
(
)
(
)
Example
23
GB
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