User's Manual

4-9
a. A.
eeds 330mA, a problem exists in the transceiver. Turn off the power
b. y presets as listed in Table 4-4 on the URC-200 (V2). For each preset
channel, adjust the URC-200 (V2) for the following. Note: Information on presetting the
ph 2-3.2 located in Section 2 of this manual.
6. On
b.
c. Set the presets on both the URC-200 (V2) and the R2600 to channel 01. Adjust the
Volume control on the URC-200 (V2) to give an output level of 1.0 Vac 0.1 Vac as
nd
he
one-
is manual.
f.
"EXT DIST" (External Distortion) softkey. The
g.
d channel 0 on the URC-200 (V2) with the R2600 set on
4-2.2.4
1.
Se
VE Pin T (CT Out) of the
2. Se
3. Preset the R2600 by performing the following steps.
set-screen.
under the CRT
Frequency position and enter
ftkey.
h. press the "NARROW 5 kHz" sof
tkey.
Turn the transceiver on and note the input current. It should be approximately 240m
If the current exc
and troubleshoot the transceiver.
Set the frequenc
URC-200 (V2) is given in Paragra
AM, PT, SCN OFF, BCN OFF
the R2600, do the following:
a Verify the "AC VOLTS" is on in the Meter position of the DISP (Display) segment.
Verify the "AUTO" is on in the Range position of the DISP (Display) segment.
read on the R2600 display.
d. Receiver AM PT Sensitivity Measurement: Move the cursor to the Meter position a
depress the "SINAD" softkey. Depress the RF key on the R2600 panel and move t
cursor to the Output Lvl (RF Output Level
) position. Position the highlight to the
tenth position by depressing the RIGHT ARROW CURSOR POSITION key three
times. Rotate the TUNING control counter-clockwise on the R2600 panel until an
average of 10 dB of SINAD is read on the CRT display. Verify compliance with Table
1-1 located in Section 1 of th
e. Readjust the Output Lvl back to -50 dBm by rotating the TUNING control clockwise to -
50 dBm. This can also be accomplished by moving the highlight back to the beginning
of the Output Lvl position by using the CURSOR CONTROL keys and then entering -
50 dBm on the keypad.
Receiver AM PT Distortion Measurement: Depress the DISP (Display) and move the
cursor to the Meter position. Depress the
AM PT Distortion is displayed in percent in the Display area of the CRT screen. Verify
compliance with Table 1-1 located in Section 1 of this manual.
On both the URC-200 (V2) and the R2600 repeat steps A through F for preselect
channels 2 through 9 an
preset channel 10.
Receiver AM CT Sensitivity
t up the test equipment as shown in Figure 4-1. Connect the
RT/SINAD/DIST/DVM/COUNTER IN connector on the R2600 to
Remote connector. Pin A or D of the remote connector is return ground.
t the input power supply to 28  .1 Vdc.
a.
Press the MEM (Memory) key on the R2600 panel for the pre
b. Use the CURSOR POSITION keys to highlight preset 01.
c. Press the "view preset" softkey. Note: The softkeys are the eight keys
screen on the R2600.
d. Use the CURSOR POSITION keys to the Monitor
115.000 from the R2600 keypad.
e. Move the cursor to Modulation Type and press the "AM" so
f. Move the cursor to the Generate Frequency position and enter 115.000 from the
R2600 keypad.
g. Move the cursor to Modulation Type and press the "AM" softkey.
Move the cursor to bandwidth and