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5. Talkback
Determines if the user is able to transmit on the channel it unmutes during scan. If this feature is
disabled, the radio transmits on the channel indicated by the TX Designated Channel feature.
6.Set/Clear Priority 1
Toggles the Priority 1 scanning status of the highlighted channel in the Members list. When the Priority
1 status is set to the highlighted channel, the Priority 1 status on another channel (if any) is cleared.
During scan, 50% of a radio's scans are on the Priority 1 channel. If a Priority 2 channel exists, scans
for the Priority 1 member are reduced from 50% to 25%. Even after landing on a non-priority or Priority
2 channel, the radio continues to periodically scan for transmission activity on a Priority 1 channel. If
the radio discovers activity on the Priority 1 channel, it drops the current transmission, and unmutes to
the Priority 1 channel.
7. Set/Clear Priority 2
Toggles the Priority 2 scanning status of the highlighted channel in the Members list. When the Priority
2 status is set to the highlighted channel, the Priority 2 status on another channel (if any) is cleared.
During scan, 25% of a radio's scans are on the Priority 2 channel. If a Priority 2 channel exists, scans
for the Priority 1 member are reduced from 50% to 25%. Even after landing on a non-priority channel,
the radio continues to periodically scan for transmission activity on a Priority 2 channel. If the radio
discovers activity on the Priority 2 channel, it drops the current transmission, and unmutes to the
Priority 2 channel. Activity on a Priority 2 channel will be dropped in the event of any valid activity on a
Priority 1 channel.
8. TX Designated Channel
This feature defines the channel on which the radio will transmit if the user presses the Push-to-Talk
(PTT) button while the radio is scanning. If the Talkback option is disabled, this feature also defines
the channel where the radio will transmit if the user presses the PTT when the radio has stopped
scanning to unmute to an eligible scan list member. Any channel can be selected as the TX
Designated Channel. Alternatively, the Selected or Last Active Channel may be chosen.
9. Priority Sample Time (ms)
Sets the duration that the radio waits, when in a call, before scanning the priority channels. If the call is
taking place on a Priority 1 Channel, no scanning will take place. When scanning priority channels, the
radio briefly mutes the current transmission. Increasing this interval improves the audio quality of the
current transmission as fewer checks are done, but this also increases the chance of the radio missing
out priority channel activity.
Range
Maximum 7750 ms
FCC Regulations
Federal Communication Commission (FCC) requires that all radio communication products
should meet the requirements set forth in the above standards before they can be marketed in the
U.S, and the manufacturer shall post a RF label on the product to inform users of operational
instructions, so as to enhance their occupational health against exposure to RF energy.
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates and can radiate
Minimum 750 ms
Increment 250 ms
25
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