Ericsson EDACS LBI-39077 - Manual (Page 54)

LBI-39077 BALANCE AND LEVEL
54
(T) Audio To Ph. - Set Audio-to-phone level
(F) Audio Frm Ph. - Set Audio-from-phone level
(P) E&M4W To Ph. - Set E&M 4-wire to phone level (GTI outputs tone to phone)
(G) E&M4W Frm Ph. - Set E&M 4-wire from phone level (Calls Milliwatt number)
(U) E&M4W Microwv - Output tone & view level through external 2-wire hybrid
(2) Master II Base - Output tone to Master II and view returned level
(L) Level Set All - Adjust all levels in succession (4 level types)
(H) Hangup - Hangup adjustments line and return to 'READY' status
(S) Silence Setup - Enter silence number to be used for adjustments
(M) MW Setup - Enter milliwatt tone number to be used for adjustments
To select a specific action, press the key shown in parenthesis before the desired action.
SILENCE SETUP
If the telephone line connected to the GTI is a 2-wire audio circuit, the 2-wire to 4-wire audio hybrid in the GTI will need to
be used to connect the 2-wire telephone line to the 4-wire circuitry in the ELI system and must be balanced to assure a high
quality audio circuit. To balance the hybrid the GTI Configurator software will need to place a call through the hybrid to a
“silence number”. This “silence number” may be either a telephone company quiet termination or a desk telephone (with its
mouthpiece disconnected) that someone can answer when called. This “silence number” must be provided to the GTI
Configurator for the telephone line # connected to a specific GTI before the hybrid balance adjustment can begin for that GTI.
This “silence number” may be entered each time a hybrid balance adjustment is to be performed, by using this selection.
However, if you will be using the same “silence number” for some time, you may prefer to enter it into the GTI Configurator
database so you won’t have to enter it each time a hybrid balance adjustment is to be performed. To enter the “silence
number” into the GTI Configurator database, use the Telco Config operation in the Edit group.
To enter the “silence number” by selecting (S) Silence Setup, press the S key and the CHANGE SILENCE NUMBER
window will be displayed in place of the HYBRID BALANCE AND LEVEL SETTINGS window. Type in the “silence
number” and press the Esc key to return to the HYBRID BALANCE AND LEVEL SETTINGS window.
To enter the “silence number” by selecting the Telco Config operation from the Edit group, press the ESC key to return to the
Main Menu screen. Select Telco Config operation from the Edit group and press the Enter key. Select the system from the
INDEX window and press the Enter key. Select the line from the INDEX window and press the Enter key. Press the
↓
key 3
times, the Y key, and the Enter key. Type in the “silence number” and press the Esc key 3 times to return to the Main Menu
screen.
MW SETUP
To adjust the audio level from the phone line, the GTI Configurator software will need to place a call through that line to a
“milliwatt number”. This “milliwatt number” may be either a telephone company test tone source or a desk telephone (with its
mouthpiece disconnected) that someone can answer when called. This “silence number” must be provided to the GTI
Configurator for the telephone line # connected to a specific GTI before the hybrid balance adjustment can begin for that GTI.
This “silence number” may be entered each time a hybrid balance adjustment is to be performed, by using this selection.
However, if you will be using the same “silence number” for some time, you may prefer to enter it into the GTI Configurator
database so you won’t have to enter it each time a hybrid balance adjustment is to be performed. To enter the “silence
number” into the GTI Configurator database, use the Telco Config operation in the Edit group.
To enter the “silence number” by selecting (S) Silence Setup, press the S key and the CHANGE SILENCE NUMBER
window will be displayed in place of the HYBRID BALANCE AND LEVEL SETTINGS window. Type in the “silence
number” and press the Esc key to return to the HYBRID BALANCE AND LEVEL SETTINGS window.
To enter the “silence number” by selecting the Telco Config operation from the Edit group, press the ESC key to return to the
Main Menu screen. Select Telco Config operation from the Edit group and press the Enter key. Select the system from the
INDEX window and press the Enter key. Select the line from the INDEX window and press the Enter key. Press the
↓
key 3