Kenwood NX-5800 Service Manual page 48

Item Condition
Panel tuning
mode
3. 1) Adj item: 1) Adj item:
Transmit [TAST] [Transmit Assist]
Assist Adjust:[****] 2) Adj item:
2) Adj item: [Low1],[Low2],
[Low1 TAST]→ [Low3],[Low4],
[Low2 TAST]→ [Low5],[Low6],
[Low3 TAST]→ [Center1], [Center2],
[Low4 TAST]→ [Center3], [Center4],
[Low5 TAST]→ [Center5],
[Low6 TAST]→ [High1],[High2]
[Center1 TAST]→ [High3],[High4]
[Center2 TAST]→ [High5],[High6]
[Center3 TAST]→
[Center4 TAST]→
[Center5 TAST]→
[High1 TAST]→
[High2 TAST]→
[High3 TAST]→
[High4 TAST]→
[High5 TAST]→
[High6 TAST]→ PTT: Press
[Transmit] button.
Adjust:[****]
PTT: ON Press [Apply All] but-
Press [ ] key ton to store the ad-
to store the ad- justment value.
justment val-
ue.
4. *The Frequen- 1) Adj item:
Frequency cy adjust-
ment can be
performed
only in PC
test mode.
Caution:
• Temperature range
• Use an accuracy of
1-48 (No.RA017<Rev.003>)
Measurement
PC test mode Test-
equip-
ment
SSG
[Frequency]
SSG output:
-20dBm (22.4mV)
(CW (without mod-
ulation))
Perform the fre-
quency adjustment
under the following
conditions.
of +20°C to +33°C
(+68.0°F to
+91.4°F).
(The temperature is
displayed on the
Frequency adjust-
ment screen of the
KPG-D1/D1N and
the LCD of the
transceiver.)
0.001ppm for the
SSG. (Use a stan-
dard oscillator if
necessary.)
Unit Ter- Unit Parts
minal
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[←],
[→]
Panel ANT Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[←],
[→]
Adjustment
Method
[PC test mode] 2.5V±0.1V
[Automatic Adjust- [Automatic Ad-
ment] justment]
1) Press [Tune Assist After the automatic
Voltage] button. adjustment is per-
2) Press [Apply All] but- formed, verify that
ton to store the adjust- the VCO lock volt-
ment value after the age is within the
automatic adjustment voltage range
has finished. which is specified
[Manual Adjustment] by the manual ad-
[V] indicator on the PC justment.
window shows VCO lock [Manual Adjust-
voltage. Change the ad- ment]
justment value to get Press [Apply All]
VCO lock voltage within button to store the
the limit of the specified adjustment value
voltage. after all adjustment
point have been
Note:
adjusted.
Confirm the VCO lock
voltage approximately Note:
3 seconds after the
adjustment value is
changed.
[PC test mode] [PC test mode]
Press [Start] button of "IF20" value = With-
"Auto Tuning". in 0±20 digits. The
Press [Apply] button to value of "IF20" will
store the adjustment become around "0"
value after the automatic after the adjustment
adjustment has has finished.
finished.
Remark:
"Frequency" is
adjusted under
receiving condition
with SSG.
Specifications
/Remarks
The assist adjust-
ment value must
be between from
340 to 3550.