12
3.3.13
RANGE
Manual Range Up
This key enables the user to manually decrease the amplifier gain by one
decade, allowing the input of larger optical signals without saturating the
amplifier. If the meter is in the auto-range mode just prior to pressing this
key, the meter will be forced into the manual-range mode and the range will
be incremented.
3.3.14
RANGE
Manual Range Down
This key enables the user to manually increase the amplifier gain by one
decade. If the meter is in the auto-range mode just prior to pressing this
key, the meter will be forced into the manual-range mode and the range will
be decremented.
3.4 Default Meter Configuration
Upon power-up or pressing the RESET button on the back of the meter, the
1830-C will configure itself as listed in Table 4.
Keypad Function Default Power-Up Condition
(LOCAL) Local
R/S Signal Acquisition is on. (Run)
ZERO ZERO is off.
UNITS Watts
STOREF 1 mW
AVG Medium Averaging
λ 䉱 Lowest available, or last set wavelength
λ 䉲 Lowest available, or last set wavelength
ATTN ATTN is off. (Detector Alone)
BKLT Medium Brightness
BEEP BEEP is off
AUTO Auto-Ranging enabled
Table 4. 1830-C Default Power-Up Conditions
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