Motorola i760, Field Service Manual

Page: 32 / 112

DISPLAYS, MESSAGES, AND ALERTS: Alert Tones
3-4
68P80400P94-O
3.4 Alert Tones
This unit can send alert tones to the earpiece, speaker, or external speaker. Press the Mute key to
determine where some of the tones are sent.
As shown in the following table, alert tones have specific frequencies and cadences/durations. They
are grouped according to function; grouped tones have the same tone specifications.
Table 3-4. Alert Tones
Tone Low High Freq Cadence When Tone Occurs
Automatic Callback Ear Spkr 1800Hz 2x (24ms on+24ms off) + 48ms on Voice channel for prior request
Call Alert
Acknowledgment
Received Ear Spkr 1800Hz 2x (80ms off+80ms on) Call Alert successfully sent
Call Alert No Ack
Received Ear Spkr 900Hz 1x500ms on Call Alert fails
Call Alert Received Spkr Spkr 2300Hz 4x (150ms off+150ms on) every 10
seconds Call Alert received
Call Alert Sent Ear Spkr 1800Hz 2x (80ms off+80ms on) Call Alert acknowledged by
FNE
Call Waiting
Received Ear Ear 440Hz 2x(300ms off+300ms on) every 5
seconds Phone call received while
another call is active
Clear to Send Ear Spkr 2300Hz 1x50ms on Reception inhibited; clear to
transmit
Data Ringer Ear Spkr 2091/
2823Hz 14x (80ms on 100ms on
2.5 seconds off Unit receives an incoming circuit
data call
DTMF (0-9, #, *) Ear Ear DTMF Continuous DTMF is transmitted
Earpiece Volume Set Ear Ear 1000Hz Continuous Earpiece volume changed on
quiet channel or in Programming
Menu (PRGM)
Group Call Alert Spkr Spkr 2300Hz 2x (150ms off+150ms on) Group call received
In Service Spkr Spkr 2300Hz 1x50ms on Entering in-service mode
Interconnect Busy Ear Ear 480/
620Hz 1s off + 1s on 480Hz;
1s off +1s on 620Hz continuous Interconnect channel or line is
busy
Invalid Key Ear Ear 900Hz 1x80ms on Invalid key pressed
Low Battery in Idle Spkr Spkr 2300Hz 24ms on+24ms off + 24ms on+240
ms off + 24ms on+24ms off + 24ms
on+30ms off every 30 seconds Battery below preset value.
(Tone sounds from earpiece if in
low audio during a dispatch or
interconnect call.)
Keypad Volume Set Ear Ear 1800Hz Continuous Keypad volume changed on
quiet channel or in Programming
Menu
Message Mail
Received in Idle Spkr Spkr 2400/
2743Hz 8x(64ms on 64ms on
2743Hz)every 30 seconds Message mail received while
unit is idle
Msg Mail Received
in Interconnect Ear Ear 2400/
2743Hz 8x(64ms on 64ms on
2743Hz) every 30 seconds Message mail received while
unit is in interconnect mode