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MISCELLANEOUS
50
Locking/Unlocking a Site
It is sometimes desirable to stay on the current site regardless of
signal level. To lock the radio on the current site so that it does not search
for another, press the Site Lock option switch (if programmed). The
display then momentarily indicates “LOCK x” to indicate that the current
site is locked (“x” is the current site number). To unlock the site, press the
Lock switch again and “UNLOCK” is momentarily displayed.
When locked on a site, it is still possible to search for a different site
using the site search function described in the preceding section. When a
new site is found, the radio is then locked on that site.
MISCELLANEOUS
Supervisory Tones
Single Beep (Alert Tone)
• Power was turned on and a successful power-up sequence occurred (see
page 16).
• The time-out timer is about to expire or the penalty timer has expired
(page 19 and page 28).
• The conversation timer is about to expire (page 29).
• The system received your page but the paged mobile is not on the air
(page 44).
• Telephone interconnect is not operational (page 41).
Continuous Tone (Invalid or No Acknowledge Condition)
• A transmission is being attempted on an unprogrammed channel or a
conventional channel programmed as receive-only.
• The transmitter is disabled by the busy channel lockout feature
(page 27).
• The transmitter has been disabled by the time-out timer feature
(page 19).