Icom IF1721/D Instruction Manual page 9

ZONE KEY
Push this key, then select the desired zone using [CH Up]/
[CH Down].
What is "zone"?—The desired channels are assigned
into a zone according to the intended use for grouping.
For example, 'Staff A' and 'Staff B' are assigned into a
"Business" zone, and 'John' and 'Cindy' are assigned into a
"Private" zone.
SCAN A START/STOP KEY
This key's operation depends on the Power ON Scan set-
➥
ting.
When the power ON scan function is turned OFF;
Push to start and cancel scanning operation. In case of
transmission during scan, cancels scanning.
When the power ON scan function is turned ON;
Push to pause scanning. Scanning resumes after a speci-
fied time period has passed. In case of transmission during
scan, pauses scanning. Scanning resumes after a specified
time period has passed after the transmission is finished.
Push and hold this key for 1 sec. to indicate the scan group,
➥
then select the desired group using [CH Up]/[CH Down].
SCAN B START/STOP KEY
Push to start and cancel scanning operation. In case of
➥
transmission during scan, pauses scanning. Scanning re-
sumes after a specified time period has passed after the
transmission is finished.
Push and hold this key for 1 sec. to indicate the scan group,
➥
then select the desired group using [CH Up]/[CH Down].
PANEL DESCRIPTION
SCAN ADD/DEL (TAG) KEY
Push to add or delete the selected channel to/from the scan
group.
PRIO A/B KEYS
Push to select Priority A or Priority B channel.
➥
Push and hold [Prio A (Rewrite)] to rewrite the Prio A
➥
channel.
MR-CH 1/2/3/4 KEYS
Push to select an operating channel directly.
MONI (AUDI) KEY
Mute and release the CTCSS (DTCS) or 2-tone squelch
➥
mute. Open any squelch/deactivate any mute while push-
ing this key. (LMR operation only)
➥ Activates one of (or two of) the following functions on each
channel independently: (PMR or BIIS PMR operation
only)
• Push and hold to un-mute the channel (audio is emitted; 'Audible'
condition).
• Push to mute the channel (sets to 'Inaudible' only).
• Push to un-mute the channel (sets to 'Audible' only).
• Push after the communication is finished to send a 'reset code'.
NOTE: The un-mute condition ('Audible' condition) may
automatically return to the mute condition ('Inaudible' con-
dition) after a specified period depending on program-
ming.
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