Kenwood NX-200 Service Manual page 70

NX-200
Panel Tuning Mode
■ Preparations for tuning the transceiver
Before attempting to tune the transceiver, connect the
unit to a suitable power supply.
Whenever the transmitter is turned, the unit must be
connected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with
a 8Ω dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during tuning.
■ Transceiver tuning (To enter tuning mode)
To enter tuning mode, press the [ ] key while the trans-
ceiver is in test mode. Use the [ ] key to write tuning data
through tuning modes, and the [
requirements (1 to 4096 appears on the LCD).
Use the [ ] key to select the adjustment item through
tuning modes. Use the [ ] key to adjust 5 reference level
adjustments, and use the [Side2] key to switch between
Wide/Narrow/Very narrow.
• LCD display in panel tuning mode
70
ADJUSTMENT /
]/[ ] key to adjust tuning
CV voltage, AD value, etc
CV电压、AD值等
Sub LCD display
2.6
副LCD显示
An CNTR
Main LCD display
主LCD显示
Adjustment
point
调整点
L,L',C,H',H
An : Analog narrow mode
: 模拟窄模式
Aw : Analog wide mode
: 模拟宽模式
Nn : NXDN narrow mode
: NXDN窄模式
Nv : NXDN very narrow mode
: NXDN超窄模式
调整
面板调谐模式
■调谐手持对讲机的准备
在尝试调谐手持对讲机前，请将手持对讲机连接到合适的
电源上。
发射打开时， 手持对讲机必须连接到合适的等效负载上 ( 如
功率表 )。
扬声器输出连接器必须端接 8Ω 的等效负载，调谐期间，
必须始终连接到交流电压表和音频失真仪或 S I N A D 测量仪表
上。
■手持对讲机调谐 ( 进入调谐模式 )
要进入调谐模式， 请在手持对讲机处于测试模式时按 [ ] 键。
用 [ ] 键写入调谐模式的调谐数据，用 [
谐要求 (LCD 上出现 1 到 4096)。
用 [ ] 键选择调谐模式的调整项目。用 [ ] 键调整 5 点
基准电平调整，然后用 [Side2] 键切换宽 / 窄 / 超窄。
• 面板调谐模式时的 LCD 显示。
256
Adjustment value
调整值
(1~4096)
Proper value guide
(When the frequency adjustment is necessary,
▼ or ▲ is displayed.)
特征值指引
（需进行频率调整时，显示▼或▲。）
Adjustment item
调整项目
]/[ ] 键调整调