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Appendix C ( SRS-1050 Testing
Page C-1
APPENDIX C
TESTING
The SRS-1050 has a self-test
mode that performs the following
tests:
• LED test
• Key test
• Tone test
• LCD test
• Memory tests
• NT1 line test
ENTERING TEST MODE
To enter test mode, follow these
steps:
1. Unplug the ISDN line from the
LINE jack or the power plug
from the 40 V DC jack if you are
using the DC power supply.
2. Press and hold down both 1 and
3 on the numeric keypad as you
reapply power. Keep them
down until the automatic LED
test begins.
The LED test is described in the
next section. While the test is
running, this screen is displayed:
SELF TEST (LED)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . .
When the LED test is complete,
this screen appears:
SELF TEST (KEY TEST)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . .
The set cannot originate or
receive a call during the self-test.
You exit test mode by removing
power and then reapplying it.
PERFORMING TESTS
The following sections summarize
the self-tests that you can
perform on the SRS-1050 Digital
Set.
LED Test
The LED test is done first
automatically. It turns all but the
data LEDs red for one second, off
for one second, green for one
second (except MSG), and finally
off again. Observe the LEDs for
malfunctions.
When the LED test is complete,
you can start any of these tests:
• Press 1 to start the Tone test.
• Press 2 or 3 to start the LCD
tests.
• Press 4 to start the
Memory/Line test.