OPERATION MANUAL
NAV-402AP-3
1-2-3
Page 8
Sep 1/04
STEP PROCEDURE
12. PWR/BAT Switch (cont)
NOTE: Sequence repeats every 100 kHz, from
118.000 MHz to 156.000 MHz.
LAST 2 DIGITS OF
DIGITAL DISPLAY
NOMINAL OUTPUT
FREQUENCY
00 xxx.x0000 MHz
08 OR 09 xxx.x0833 MHz
16 OR 17 xxx.x1666 MHz
25 xxx.x2500 MHz
33 or 34 xxx.x3333 MHz
41 or 42 xxx.x4166 MHz
50 xxx.x5000 MHz
58 or 59 xxx.x5833 MHz
66 or 67 xxx.x6666 MHz
75 xxx.x7500 MHz
83 or 84 xxx.x8333 MHz
91 or 92 xxx.x9166 MHz
Displayed Frequency vs Actual Nominal
Output Frequency in COM 8.33 kHz Mode
Table 1
3.14 COMMUNICATION OPERATION
(TRANSMITTER TESTS)
(TYPICAL CONTROL SETTINGS)
STEP PROCEDURE
1. MONITOR METER FUNCTION Switch
10W or 100W to measure COM
Transmitter power on the MONITOR
Meter.
2. COUNTER MODE Switch
HZ or KHZ to measure COM Transmitter
frequency as shown on the DIGITAL
Display.
KHZ or MHZ to measure COM
Transmitter frequency (in HF or VHF
bands) as shown on the DIGITAL
Display.
3. COM XMTR IN Connector
Connect to COM Transmitter output.
4. AVG/PEAK LOC XMTR Switch
PEAK LOC for indicating increase in
power during modulation as shown on the
MONITOR Meter.
AVG for indicating only average power
on the MONITOR Meter, disregarding
modulation.
5. TONE SELECT Switch
CTR IN to measure COM Transmitter
frequencies over the air through the MOD
IN/EXT FREQ CTR IN Connector.
6. MOD IN/EXT FREQ CTR IN Connector
(TONE SELECT Switch set to CTR IN)
Connect Whip Antenna for COM
frequency measurements in portable
operation.
7. PWR/BAT Switch
PWR to use external ac line power
through the AC IN Connector.
BAT to initiate operation using internal
Battery power.
