Tektronix ECO8000 Series Service Manual

Troubleshooting
Disable the Relay Check
function for an HREF/Relay
channel
The optional 3 G
Hz HREF/Relay channels can detect an open relay contact after a
source switch. If the output is unterminated, this detection will be falsely triggered.
Therefore, the relay check function should be turned off on unterminated output
signals. This function does not apply to the 50 MHz REF/ELSW channels.
1. If necessary, set the instrument to Manual mode:
a. Press and hold the PANEL ENABLE button to enable the front-panel
control buttons. The instrument beeps when the control buttons are
enabled.
b. Press the MANUAL MODE button to put the ECO8000 Series in M anual
mode.
2. Press BACK as necessary to access the top-level menu.
3. Press the up (▲)ordown(▼) arrow to select the Channel menu. The top
line will begin with “LTC” or “CH”.
4. Press the left (◄)orright(►) arrow button to select the HREF/Relay channel
you are checking, and then press ENTER to enter the submenu for that
channel.
5. Check that the channel is enabled. If the channel is disabled, press the left
(◄)orright(►) arrow button to select Enabled, and then press ENTER
to make the change.
6. Press the down (▼) arrow to select RELAY CHECK.
7. Press the left (◄)orright(►) arrow button to select Disabled,andthen
press ENTER to make the change.
8. Press BACK to exit the channel submenu.
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Tektronix ECO8000 Series Specifications

General

Brand	Tektronix
Model	ECO8000 Series
Category	Control Unit
Language	English