5
General operating instructions
1. Both the ExResistTel telephone and the ZB version are designed for
connection to dial ports with analogue connection points.
2. The handset is fitted with a stray-field coil for connecting hearing-
aids. People who use hearing-aids which have an inductive receiver
can receive the earphone signal directly.
3. The ZB version is not equipped with keypad and display, therefore
not all the features are available with this version.
4. The ExResistTel has a handset module with a dry reed contact as a
hook switch. In order to terminate an existing call connection, the
handset must be hung up. In order to interrupt an existing call con-
nection, it is sufficient to press the disconnect key on the key-
pad.(see page 12)
5. Use the menu to program the appropriate settings. To access the
menu, pick up the handset and press the "YES" key.
6. If you take longer than 2 minutes before you begin making a choice,
the power supply of the exchange may be switched off. If that
occurs, you will no longer hear a dialling tone. In that case, please
replace the handset and wait 2 seconds before picking it up again.
7. When a setting is stored successfully, this is confirmed by an
acknowledgement tone.
8. When you receive a call, the ExResistTel rings at the ringer-volume
level selected by you and, for the duration of the calling sound, the
symbols ( ( ( ) ) ) appears on the display.
9. If you enter a PIN with the menu you can restrict or block settings
and dial functions. Forgetting the PIN is the equivalent of losing a
key. If you forget the PIN, please contact our technical support.
Customer information
This device has been tested and found to comply with the limits for a
class B digital device, pursuant to part 15 of the FCC rules.
This device complies with part 68 of the FCC rules and with the stan-
dard TIA 968B.
The REN (Ringer Equivalence Number) is used to determine the num-
ber of devices that may be connected to a telephone line. Excessive
RENs on a telephone line may result in the devices not ringing in re-
sponse to an incoming call. In most but not all areas, the sum of RENs
should not exceed five (5.0). To be certain of the number of devices that
may be connected to a line, as determined by the total REN, contact the
local telephone company. The REN is part of the product identifier and
has the format REN n.n.B. The letter B denotes the ringer type.
If this telephone causes harm to the telephone network, the telephone
company will notify you in advance that temporary discontinuance of
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