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Chapter 1
Loopback test switch. This
locking switch, labeled "LOOP",
places the set in loopback mode.
Loopback is a test for data
transmission.
Program switch for data setup.
This switch, labeled "PRG",
places the set in programming
mode when you are setting up
parameters for the data terminal
adapter.
Data connector. This 25-pin
female connector (DB25) appears
only on sets with the data
terminal adapter. This connector,
labeled "DTE", is the interface
connector for data transmission.
Volume and Contrast
Controls
Both volume and display contrast
are controlled by two buttons just
above the front panel functions
keys, and marked with a down
arrow and an up arrow.
Speaker/handset volume . Adjust
when any Call Appearance is
active, with a call or dial tone.
The new volume is held until
reset.
Display contrast. Adjust any
time the digital set is idle.
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( SRS -1050 Overview
MULTIFUNCTION BUTTONS
13
14
15
16
7
8
9
10
1
2
3
4
Figure 1-3: Multifunction
Button Layout
Mulifunction buttons have three
uses:
One-touch: Dial a number you
stored there.
Network Feature: Activate or
deactivate a special network
feature, such as call forwarding.
Call Appearance (CA) or
Directory Number (DN): Handle
incoming or outgoing calls.
After a multifunction button is
assigned, you must clear that
assignment before it can be
assigned as a different type of
multifunction button. Chapter 3
describes making and clearing
button assignments.
Using one-touch dialing buttons
is described in Chapter 2. Chapter
3 shows how to set-up the
buttons.
17
MIC-OFF
11
12
5
6
19
18
20
Redial
Hold
Speaker
Page 1-5
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