Software Adjustments - Icom IC-GM1600E Service Manual

5-2 SOFTWARE ADJUSTMENT (FREQUENCY)
Select the adjustment item with [↑] / [↓] keys, then set the value with [←] / [→] keys on the connected PC.
ADJUSTMENT
PLL LOCK 1 • Operating CH. : 16
VOLTAGE • Receiving
2 • Operating CH. : 16
• RF power
• Transmitting
REFERENCE 1 • Operating CH. : 16
• Connect the RF power meter or a 50 Ω
FREQUENCY
[Ref. Freq.] dummy load to the antenna connector.
• RF power
• Transmitting
ADJUSTMENT CONDITION
: Low
: Low
NOTE: The above screen is an example.
Each transceiver has its own specific values.
MEASUREMENT
UNIT OPERATION
PC Check the LVIN Data cell's
screen v a l u e i n t h e I / O c h e c k
window.
Click the "I/O check button"
on the CS-M90/GM1600
ADJ's screen (see page
5-3) to open the I/O check
window as below.
Top Loosely couple the frequency
Panel c o u n t e r t o t h e a n t e n n a
conector.
5 - 4
VALUE
1.5–3.0 V [USA]
1.85–3.35 V [Others]
(Verify)
1.4–2.9 V
(Verify)
156.8000 MHz
±500 Hz
PLL LOCK VOLTAGE