3-4 170 Series Monitor Revision D
2003023-001
Controls, Indicators, and Connectors: Front Panel Controls
Setup Button
Pressing and holding this button while the monitor is on enters a user setup mode for
configuring the monitor. Refer to
“Chapter 4, Setup Procedures” for instructions.
Pressing and holding this button during power up enters a service setup mode. Refer
to the “170 Series Service Manual” for more information.
Volume Buttons
The Volume buttons are used to raise ( ) and lower ( ) the volume of the audio
signals emitted by the speaker. The volume buttons are also used during setup.
Model 171
This monitor has two volume buttons used to control the ultrasound audio.
Models 172, 173, and 174
These monitors have four volume buttons. The left pair controls the audio signals
for the mode shown in the primary FHR display; likewise, the right pair of buttons
controls the audio for the mode shown in the secondary FHR display.
Setup Mode
When the monitor is in setup mode (user or service), the volume buttons change: the
setting or value shown in the FHR display; or the monitor feature code shown in the
UA display. (For Models 172, 173, and 174, only the leftmost volume controls are
active during setup mode.)