Kenwood TK-2170 Series Function Reference page 125

21.6.8 Lookback
Lookback can be used to receive the Priority Channel at
certain intervals while the scan pauses on a normal
channel if the Priority Channel is configured for the
transceiver.
The transceiver selects the interval to start the Priority
Scan (Lookback Time A or Lookback Time B) according
to the receiving status of the Priority Channel.
Lookback Time A
Lookback Time A is the duration to resume Priority
Scan from a normal channel if no carrier is detected
on a Priority Channel. Configure a shorter interval
time than Lookback Time B because there is a
possibility that the transceiver will always be waiting
for a Priority Channel signal.
Lookback Time B
Lookback Time B is the duration to resume the Priority
Scan from a normal channel if a signal is detected on
the Priority Channel but QT/DQT does not match.
Configuration using KPG-101D
• Configuring the Lookback Time A (Refer to FPRG
6.9.6 Lookback Time A.)
• Configuring the Lookback Time B (Refer to FPRG
6.9.7 Lookback Time B.)
21.6.9 Scan Type
Scan Type can be configured when the scan is manually
executed by pressing the Scan key.
Single Scan on page 108, 21.2 Multi Scan on page 108,
21.3 List Scan (TK-3173 only) on page 109.)
Configuration using KPG-101D
• Configuring the Scan Type (Refer to FPRG 6.9.8
Scan Type.)
FUNC (K)/Ver. 1.01
(Refer to 21.1.7
Confidential
21.6.10 Revert CH/GID Display
Revert CH/GID Display can be used to display Revert
Zone-CH/GID during the scan.
Configuration using KPG-101D
• Configuring the Revert CH/GID Display (Refer to
FPRG 6.9.9 Revert CH/GID Display.)
21.6.11 Priority-channel Stop Tone
Priority-channel Stop Tone can be used to make the
transceiver emit a tone when the transceiver pauses
scanning on the Priority Channel.
Priority-channel Stop Tone can be configured to be
enabled or disabled by using KPG-101D.
Configuration using KPG-101D
• Configuring the Priority-channel Stop Tone (Refer
to FPRG 6.9.10 Priority-channel Stop Tone.)
21.6.12 Power-on Scan
Power-on Scan can be used to start scanning
immediately after the transceiver is turned ON.
Power-on Scan can be configured to be enabled or
disabled by using KPG-101D.
Configuration using KPG-101D
• Configuring the Power-on Scan (Refer to FPRG
6.9.11 Power-on Scan.)
21 SCAN
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