Keysight 53210A Mode D'emploi page 32

1 Preparation for Use
Table 1-2
Standby Power
The power modes of the 53210A counter are 'on' 'off', and 'standby'. In standby
mode with the instrument connected to line voltage, standby power is supplied to
maintain the temperature within the ultra high-stability oven controlled crystal
oscillator (Option 010).
Battery Option 300 itself supplies standby power for the OCXO when the 53210A
is not connected to line voltage.
Refer to
information on enabling/disabling standby power.
Cycling Power and Counter Accuracy
With standby power enabled, repeated power cycling (line or battery) does not
affect the standard or ultra-high stability OCXO.
32
Power-On LED Status and Color.
Power Source Instrument 'On'
AC Line
Opt. 300 Battery
(enabled)
Opt. 300 Battery
(disabled)
"Standby Power to the Reference Oscillator (Option 010)"
OCXO w/ Standby
enabled
green amber
green amber (blinking)
off off
Instrument 'Off'
OCXO w/ Stand by
d isabled
off
off
off
in Chapter 3
Keysight 53210A User's Guide
No OCXO
off
off
off
for