Japan Radio Co. JSS-2150, Service Manual

Page: 70 / 160

SETUP AND ADJUSTMENT
2-10
2.2.4.4 DSC/WKR settings
Configure the advanced settings for DSC and WKR (watch keeping receiver).
* Normally, operation is unnecessary.
z
WKR BK
Watch DSC during transmitting: Invalid
Break watch during transmitting: Valid
z
DSC class
Normally, set to Class A.
* Only set to Class B when requested for
ships traveling in A1 areas.
2.2.4.5 ATU disconnection setting
When using as an SSB radiotelephone without ATU (NFC-2150), the ATU disconnection can be set.
* This menu cannot be set to OFF when connecting the ATU.
z
ATU use
To use ATU: ON
To not use ATU: OFF
2.2.4.6 Power operation settings
Configure the power operation settings to detect DC operation status with the DC_OPE signal using
the NBD-2150 AC/DC power unit.
z AC/DC detection
Note1
To detect if operating in DC: Valid
To not detect if operating in DC: Invalid
z
BATT use set
Note2
To run in parallel with Inmarsat C in DC: Dual
To prohibit Inmarsat C use in DC
Note3
: Single
Note1. To detect the condition if the equipment is operating in DC, besides the Valid selection here,
it is necessary to connect the DC_OPE signal cable (see 2.2.7.2 Connecting the signal lines).
Note2. The selection of "BATT use set" is available only when the "AC/DC detection" is Valid.
Note3. When operating the Inmarsat C in DC if "Single" is selected here, turn off the power of the
JSS-2150 or put it into sleep mode.