159
Note: Refer to the Radio Catalog Sheets for the maximum
number of systems allowed for this model.
Tx Power Select Use the UP/DOWN arrow keys to select either High or Low transmit
power operation for the radio on this system.
The transmit power may be reduced using this field.
The factory default for this feature is High.
Trunk Repeater Offset Use the UP/DOWN arrow keys to select a value or enter the desired
value directly. The value must be set to the frequency separation
between the Tx and Rx frequencies used at the central repeater site.
The default is 45 MHz for 800 band and 39 MHz for 900 band models.
HearClear (900 MHz only) This option allows HearClear during voice operation. HearClear is a
feature used primarily in the 900 MHz band to reduce noise caused by
the smaller bandwidth used in the 900 band.
The default is Enabled for 900 MHz models and Disabled for other models.
Channel Assgn. Type Use the UP/DOWN arrow keys to select Domestic or International.
Splinter Channel
(800 MHz Only)
Use the UP/DOWN arrow keys to enable/disable this feature. The
control channels will be shifted down 12.5 kHz and the radio will
interpret the channel numbers received over the air as splinter
channels as well. Channels in the 821 band will not be affected.
The default is Disabled.
Rx Modulation (not shown) This field applies only to SECURE radios. The value in this field should be
based on the expected receive data format for the personality. This
field allows the user to configure the radio's personality for:
❒ Strictly binary (two-level) receive operation;
❒ Strictly multi-level (four-level) receive operation; or
❒ Both binary and multi-level receive operation (Auto Receive).
When operating in Auto Receive mode, the radio will automatically
detect the received signal type and process the data accordingly. Two-
level sensitivity is reduced when operating in the Auto Receive mode and thus
should not be used on channels or systems that are strictly binary (two-level).
Channel Bandwidth Use the UP/DOWN arrow keys to select the Channel Bandwidth. This
value must be set to the Channel Bandwidth of the system the radio is
to operate on. Strapping fields for Announcement Group, Fleet ID,
Talkgroup, etc. will be forced to “Clear” if 12.5 kHz is selected.
The default is 25.0 kHz.
Domestic 25 kHz channel spacing used in the USA
International 12.5 kHz channel spacing used outside the USA
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