Preparing To Use The 1502C; Figure 1-3: 1502C Front-Panel Controls - Tektronix 1502C User Manual

Preparing to Use the 1502C

9
Tektronix
10
MENU
VIEW
O
N
INPUT
11
VIEW
O
STORE F
F
12
VIEW
DIFF
O
F
F
13
STORE
O
F
F
DO NOT APPLY
EXT VOLTAGE
1
Figure 1–3: 1502C Front-Panel Controls
1502C MTDR User Manual
Check the power requirements, remove the front cover, and you are ready to test
cables. The following pages explain the front-panel controls.
1502C
ac
1 avg 0.2 ft
500 mr
NOISE FILTER VERT SCALE DIST/DIV
HORZ
SET REF
VERT
2 3 4
CAUTION. Do not connect live circuits to the CABLE connector. Voltages
exceeding 5 volts can damage the pulser or sampler circuits.
Bleed the test cable of any residual static charge before attaching it to the
instrument. To bleed the cable, connect the standard 50 W terminator and standard
female-to-female BNC connector together, then temporarily attach both to the
cable. Remove the connectors before attaching the cable to the instrument.
When testing receiving antenna cables, avoid close proximity to transmitters.
Voltages may appear on the cable if a nearby transmitter is in use, resulting in
damage to the instrument. Before testing, be sure that there are no RF voltages
present, or disconnect the cable at both ends.
METALLIC TDR
CABLE TESTER POSITION
0.00 ft
POSITION
Vp
.5
.4 .04 .05
.6
.03 .06
.3 .7
.02 .07
.8
.08
.01
.9
.00 .09
5
Operating Instructions
8 7
POWER
(PULL ON)
6
1–5