E.F. Johnson Company 5100 ES, Operating Manual

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4-10 ES Series Models II/III Portable Radio Operating Manual
Radio-wide Features
• If the zone or channel is changed while radio wide scanning, scanning continues
normally.
Priority sampling is not available when using Radio Wide Scan.
Note Use radio wide scanning only if two or more channels in different systems need to be
scanned at the same time such as conventional and SMARTNET/SmartZone or Project 25
Trunked channels on two different trunked systems. Otherwise, use the more efficient
“Priority Scan” feature, which has less chance of missed scanned traffic.
4.11.3 Scan Hold Time
When traffic is received or transmitted while scanning, there is a delay before scanning
resumes. The delay after receiving a call prevents other traffic from being received before
a response can be made. The delay after transmitting ensures that a response is heard
instead of other traffic from occurring on some other channel.
Separate delay times are programmable for radio wide and priority scanning. With radio
wide scanning, delays of 2-7.5 seconds are programmable in 0.5-second steps. With
priority scanning, delays of 0-7.5 seconds are programmable in 0.5-second steps. With
SMARTNET/SmartZone and P25 Trunked scanning, scan delays of 0-8 seconds can be
programmed in 0.5-second steps.
4.11.4 Transmitting in the Scan Mode
Scanning can be performed in the Priority Scan Mode or the Radio Wide Scan Mode.
4.11.4.1 Priority Scan Mode
When the transmitter is keyed while scanning is enabled, the transmission may occur on
various channels as follows.
Conventional Operation - Transmissions can be programmed to always occur on the
priority, selected, or receive channel (if applicable). Refer to Section 5.10 for more
information.
SMARTNET/SmartZone/P25 Trunked Operation - If scanning is halted to receive a
message, programming determines if transmissions occur on the selected or active
channel. Transmissions at other times occur on the selected channel.
Multi-Net Operation - When the transmitter is keyed to respond to a call in the radio
wide scan mode, the radio can be programmed to transmit on the selected or active
channel. When scanning resumes or when actively scanning, transmissions always
occur on the selected channel.